LabVIEW 2014 and 2014 SP1 Known Issues by Date

Overview

This document contains the LabVIEW 2014 known issues that were discovered before and since the release of the LabVIEW 2014 Development System. Not every issue known to NI will appear on this list; it is intended to only show the severe and common issues.

The LabVIEW 2014 Platform Known Issues contains a full listing of known issues, including LabVIEW toolkits and modules.

Document Organization

There are two versions of the known issues list available:

Known Issues by Category
Known Issues by Date

Please refer to White Paper "LabVIEW Known Issues Categories Defined" for an explanation of the categories.


Contacting NI

You can contact us by phone, email, or the discussion forums. 

Known Issues by Date

The following items are known issues in LabVIEW 2014 sorted by Date.

219819Center justified tables display improperly when overlapping with the front panel origin
39161 401FEQTLThe device ID input of the Play Sound File VI does not work on Windows
47819 3N68LE002GB file size limit of datalog files
48016 3P7CBB4QUnsigned int32 loses value in formula node when you write to the most significant bit
50420 44CG88SNUpdate the Pulse Transition Measurement Express VI
51185 47FGSQCSCannot save VI as the same name as missing library member VI
51311 477DKPBQLabVIEW does not maintain child-only item setting when dragging an item within a tree
52027 4A4GRP00Cannot use the 'New>>VI for Override...' dialog to create override of password-protected VI unless you have the password
52263 4AJA41TQSome operations on integer waveforms lose dt value
105509The "do not save automatic changes" setting does not affect libraries
119444Multi-column listbox format lost on upgrade
120686Write to LabVIEW Measurement Files (LVM) using Express VIs takes up a lot of memory
51179 47B12U5UError 6 occurred at Create Folder in Create Directory Recursive.vi when building an application (EXE), shared library (DLL), source distribution or web service
141699NI Distributed System Manager does not show deployed libraries if they contain non-Latin characters.
157246The Property Node "Bring to Front" doesn't work in Windows Vista
128059Shared variable bindings in the same library are not updated properly when copying/renaming the library
166253LabVIEW.app does not show up after LabVIEW 2009 Installation
181687Web publishing tool fails without error
173080When a project that contains variables with binding is created in one language and opened in a different language, variables may fail to deploy
163371"Save As:Copy" on a nested library breaks member VIs if use option to add copied library to owner library
168005Dynamic Variable API Does Not Support I/O Servers that Use Ranges
169840Large matrix operations that utilize the Intel MKL on Linux may crash LabVIEW
103315Creating a circular link between an Xcontrol and a LVClass can crash LabVIEW.
95055Save for previous fails if file path is too long
198717Unflatten From XML fails for cluster and arrays that consist of variants
208364LabVIEW built installers created on a 32-bit machine will not install most drivers when run on a 64-bit machine
213279Some nodes may crash or yield incorrect/inconsistent results when Inlined
208088Updating the Labels of a Cluster Written to a Chart Does Not Update the Cluster Used for Chart History
188911Control image alignment incorrect when "new report page" VI is used
227609Statically linking a LabVIEW built DLL in a C++ project results in error 998 if the DLL is not added to the Delay Loaded DLLs list
153731Unhandled Exception can occur if absolute path for system DLL used in CLFN
185890Text on a VI can be mutated to appear as Unicode
218083VIs with errors may show additional errors for code in disabled frames of Conditional Disable Structure
227030Wait on Notification from Multiple function has unexpected behavior when ignoring previous input.
229641Hang can occur when deploying RT project that has not been check out of VSS
232348Changes to a library item's access scope sometimes do not update broken callers.
235019OpenSSL fatal error when LabVIEW exits
236817NI-Auth does not work with Firefox
243468Default Namespaces not supported in XML Parsing VIs
176848Picture Control Stops Updating After Setting Properties to Default.
136677Remote panels do not work if Internet Explorer is embedded in an ActiveX or .NET Container
196607DTbl Replace Subset VI behavior change between LabVIEW 8.6.1 and 2009
226840Formula VI does not execute pow(x,y) function
236377Dropping XControl from public library breaks XControl
248914Changing the order of controls or deleting controls in a type def cluster can change references
322914Formula VI does not execute pow(x,y) function
256141Windows 7 often shows "(Not Responding)" and will bring other windows to the front during expensive operations
248421Bitshift does not work correctly in Expression Nodes and Formula Nodes with a data type smaller than I32
250588Warning Generated in a Method or Property of an XControl Appears as an Error in the Top Level VI
255466Shared variable moved from a project directly to a tab control is not added to the active page.
257275Format Into String does not work with the %d format for numbers larger than I32
278730Web Services ignore the No App switch on RT targets
236193Crash with invalid input (o or negative values) of "samples per channel" when misusing TDMS Set Channel Information
245148Class Properties dialog sometimes throws timeout error 123 when opening and must be restarted
251105S&V XControls built as Remote Panel crashes LabVIEW.
275961Silver style Thermometer frame doesn't resize correctly when control is resized.
289842Get Variant Attribute VI returns wrong value if attribute not found
290105Text Labels in Silver Control are not in silver style
2387133D Picture Controls can display transparently or crash LabVIEW on certain graphics cards
284936Breaking one Override VI in LVOOP shows all siblings as broken but does not explain why
186808Shared Variable library on PC is undeployed if the a V in the same project is programmatically deployed to a Real-Time target
284289Source distributions with block diagrams removed prevents the use of static Shared Variable nodes.
257194Connector pane of a VI can change from LabVIEW 2009 to LabVIEW 2011
279373SMTP has been updated to use port 587; LabVIEW makes use of legacy port 25
282737Applications with Chinese characters in the executable name will throw fatal error on English Windows 7
294285Type Defined Shared Variable not found in Executable
320485User Events Created from Objects Cause Broken Packed Library VIs
314082Listbox Control With Transparent Cell Background Does not Grey Disabled Item
233061 4AQA5L00LabVIEW crashes after working with Simulation Subsystem using a LabVIEW Class
239631Memory Growth with TDMS Write
351506[Mac] Test Device option on Play Waveform Express VI Configuration page doesn't output test tone
351741Panes 'Top' pixel coordinates will vary when Windows 'Aero' is enabled/disabled
359662Some dotted scripting property calls can crash LabVIEW if earlier properties error
356420Robotics Wizard cannot load a manifest file in a folder with a Chinese character in the name
244551Editing large strict type definitions can take a long time to update
202192LabVIEW UDP broadcast is inconsistent across different OS's.
239719Property page doesn't update when Adapt to Source is coerced to off
245359Selecting a newer version of a .NET assembly does not reload assembly
335576Play Waveform Express VI gives error 4803 with Sample Rate 3125, 6250, 12.5K, 25K, 50K, 100K, 200K Hz
347272Executables built (without SSE2) in LV 2011 on an Intel Core Duo machine throw Error 57 when run on a machine with an AMD Athlon 3200+ processor.
353261Conditional Indexing Terminal on Parallel For Loop with Shift Registers Runs with "Memory is Full Error"
355840"Get Image" method is unreliable on .NET controls in LabVIEW (64-bit)
356656Crash when compiling VIs that call into a certain class based VI hierarchies
361311"Natural log of 1 + x" primitive incorrectly returns NaN for small positive values
364338"Error while retrieving database: Forbidden" connecting to a RT target via the web configuration.
369142Front Panels may stop updating with 3+ monitors with Windows Aero enabled
377385Error 1390 on Dynamic VI Call to Friend Library
364845Streaming data to a Digital Display Chart data occasionally incorrectly displays zero even when the data is non-zero
367249It is not possible to customize the Run-Time Shortcut menu of a 3D Graph
381656Adding or subtracting timestamps causes a conversion to double and precision loss
257735Class VIs that call shared variables in a library in an auto-populating folder will not be loaded
381128The MonthCalendar .NET control automatically resizes to the incorrect size when the VI is run
305978Save As Duplicate with Include All Dependencies makes a Copy of the instr.lib Folder.
388446Eval Parsed Formula Node.vi returns incorrect results
389041Error -314250 from Create Network Stream Writer Endpoint
391455Applying an icon to LabVIEW class overwrites the icons of its methods
391784Memory Lead when Sound VIs are Called Dynamically
392232Autopreallocate Arrays and Strings VI Property Can Crash LabVIEW when not in FPGA Context
392446Installing LabVIEW on a Windows Laptop Decreases Battery Life
392545Timed Loop crashes LabVIEW after exiting
394454Data Binding: Path property can change bindings in other VI clones
3989983D Surface Axis Labes not Visible when Dialog Font Changed
399068Double Numeric Slide can not be Set to 0 when it has Defined Limits with Mouse
400736Error -4403 returned from Write Palette.vi for Template VIs
401421Updates to Global Variables Not Visible when Remote Debugging a LabVIEW Built Stand-Alone Application
401689Constrained Non-Linear Optimization VI has Potential for Infinite Loop
403182Sound Output.vi Does Not Support more than 2 Audio Channels on Windows 7
403727Repeated Dynamic Calls to VI in Packed Project Library Can Cause Error in VI Call
405271Boolean Mechanical Actions Don't Work as Expected on Windows 8 Touch Screen
406311VI.Control Value.Set will Crash LabVIEW When Value Non-Variant Data is Used for Value Parameter
407614Control.Delete Method Crashes LabVIEW When Used on Grouped Pictures and Free Labels
407633Set Cell Value Method Returns Error 1604
408391Non-printable Characters in the Description of Will Corrupt LabVIEW Classes and Libraries
408790Palette Editor Cannot Add LabVIEW Classes
410360LabVIEW Classes Become Corrupt When Multiple Files With Same File Name are Added to the Class
410479Grouping ActiveX containers removes inserted ActiveX objects
410904Print.VI to Printer Method Always Prints Header in LabVIEW Built Applications
415924Double precision numeric constants set to "bar" units sometimes use Pa units
420965Adding a tooltip for a tab control after configuring the tab to show text and image can cause the tooltip to appear in the wrong position
408891Getting an Entire Column of Data from a 2D Array in the MATLAB® Script Node Returns Only 1 Element
424382Path controls in LabVIEW for Mac OS X treat .app files as folders instead of files
425562Scan from String requires a space between modifiers when using SI notation
412979Flatten to XML String does not properly escape single and double apostrophes in a string input (' and ")
422507Entering an integer into a numeric control that has a time display format does not update the control
428515On Scientific Linux 6.3 with updated Mesa Drivers, 3D Picture Controls display an inverted image
443165Modifying the dependencies of a Packed Project Library (PPL) may cause LabVIEW to crash
390021An inlined VI can not be placed on the block diagram of a VI with subroutine priority unless it also has subroutine priority
425313Selecting the option to hide grid lines when using Export Simplified Image with a waveform graph will not hide all grid lines when using multiple axis
430758It is not possible to save a VI with the name of another VI in memory, even if they are in different libraries
432182Custom labels on a 3D bar chart do not display properly in a 2D view
437390File Path control does not display "Browse" dialog if Start Path is an invalid network path.
428914The Y-Axis of a Mixed Signal Graph will not correctly scale when the graph is set to "Scale Object with Pane" and the user decreases the size of the VI Front Panel.
433596The 3D Surface Plot does not draw correctly when the input data is an array of the same value
458973Writing a negative number to single point float Network Shared Variables through the OPC I/O Server fails.
468921Auto-populating folders may not update their contents correctly
469268Formula Node and MathScript Node variable labels can shift to become misalligned
461969When using a class containing a DAQmx Physical Channel control, it will not properly load that information from an XML file.
465422In certain cases, LabVIEW Crashes When Deleting a Subdiagram Label From a Merged Flat Sequence Structure
468139.NET Callback Event VI keeps the Callback VI reserved even after calling a Close Reference VI is called
384591A password protected VI accessing a password protected community scoped VI is broken if the VIs are set to separate compiled code from source code
424089The advanced analysis Kummer Function returns 'NaN' instead of correct values for certain combinations of input parameters.
464572Reading a datalog file truncated from more than 128 records returns error 4 "End of file encountered"
471675Inverse FFT Function is very slow if inputs have NaN values
478232In certain cases, LabVIEW may incorrectly crisscross wires during loop creation
476710Opening a VI Server Reference to two or more identically named VIs, contained in separate LabVIEW libraries in a running executable, can result in Error 1031
470218LabVIEW (64-bit) for Mac, does not show the login prompt for Revision History when starting LabVIEW
470533When creating a property accessor method of an EndevoGOOP400 type for a Simple DVR Template Class in the LabVIEW GOOP suite, LabVIEW generates Error 7
476714The INI file created for a LabVIEW built executable contains a truncated list of VIs in the "server.vi.access=" line when enabling TCP/IP with multiple Exported VIs
477864When a number of controls are grouped on a tab control page, switching to that page takes a long time, proportional to the number of controls grouped
420582Typing Obtain in Quick Drop populates with an unexpected selection
442745RF-RIO Instr Default Personality 5646R.lvproj's FPGA VI will hang on save.
462021In LabVIEW for Mac, filtered menu tracking is not cancelled until the event's case finishes executing
462029LabVIEW crashes when typecasting a RIO handle to a VISA handle
469070In some cases, Fract/Exp String To Number VI does not convert the string correctly
473149In certain cases, flattening or unflattening a large cluster and class hierarchy may result in Error 1403
473389Unable to delete Waveform Chart or Graph plot entries
476362With an Actor Framework project in LabVIEW 2013 SP1 and the LabVIEW GOOP Development Suite, LabVIEW may crash when exiting if the Message Classes are Updated.
477265Large input for "byte count" causes decrease in performance for VISA Read on Linux RT
477352In the TDMS File Viewer VI, the menu becomes partially hidden after making the plot legend visible
480386ActiveX call to open PDF (Adobe Reader 11.0.07) results in LabVIEW crashing
481414In the LabVIEW GOOP design suite, you are unable rename a method of a GOOP class under an RT target from the project
492898Open VI Reference hangs on second call
487258A LabVIEW 2014 Web Service does not run when it is built into an executable and then installed via an NI Installer
491159Type Definition instance does not require manual update (new to LabVIEW 2014) if last element of enum was deleted
491225Installing the LabVIEW 2014 Run-Time Engine via an NI Installer can prevent the NI System Web Server from starting if older versions of LabVIEW are also present or installed.
491714Using Probes while Remote Debugging with General Error Handler VI present can cause LabVIEW 2014 to hang.
460106In certain cases, there is a memory leak when a .NET object is used in a LabVIEW Interop Assembly
497131The WebDAV Put.vi when executed on a cRIO target can lead to a memory leak
511646In rare cases, Mixed Signal Graph and Digital Waveform Graph cause a memory leak
516217The WebDAV Put.vi when executed on a cRIO target can lead to a memory leak
401078Opening any non-VI dialog, such browse for files or one button dialog, may block web service requests from executing.
438751Renaming a group in a Mixed Signal Graph crashes LabVIEW once there is a plot containing data
467735"Format into File" produces Error 1 when appending to a file that has a size of 4 GB
468062Path to URL.vi does not handle network path
492341LabVIEW TDMS Advanced Asynchronous Write does not return error when target disk is full.
493664Free Label arrow pointing to a wire inside a structure, such as For Loop or While Loop, will crash LabVIEW if user selects the structure and attempts to Clean Up Diagram before VI is saved
494409WebDAV Open Session VI does not output an error if unable to open a session
497755Cannot reset the values of Build Specification Version in Set Build Specification Version VI to zero
514789Autotuning PID Online.VI Example Reads Proportional Gain 'NaN' with the Relay Technique.
515779Invoke node Append String returns error 1043 while display style set to backslash "\" codes
474764A VI can hang at Occurrences if Allow Debugging is Disabled
477280When using [VersionNumber], Application Builder post-build VIs do not get passed the proper path
480480Invoke Node shows the English shortname at the first drop in German LabVIEW
480921Unable to delete and re-add a desitnation folder successfully in build specification of a LabVIEW Installer
512464After making a change in Format Into String, the containing VI does not recompile automatically.
515054Icon transparency of VIs is not maintained when building a Source Distribution
526044VISA Resource and DAQmx resource controls in VIs called using COM interface sometimes incorrectly retain their value from a previous VI call rather than using the value provided as input.
485336Deleting a second y-axis on a waveform graph with a cursor crashes LabVIEW
493624Change of .NET assembly version requires manual relink of static class methods/properties
493662dotNET Constructor Node cannot handle overloads with different enum parameter types
507856Replacing an Intensity Graph with z-axis autoscaling enabled with a Waveform Graph or XY Graph causes LabVIEW to crash
508651Custom conditional disable symbols not copied to EXE when debugging and enhanced DSC run-time support are enabled
510218Create Mask.vi does not work in conjunction with the Get Image Subset.vi in LabVIEW
511691In specific cases, creating source distribution with myRIO can cause LV 2014 to crash
511987In certain cases, VI Merge crashes with Custom Control files
515300NamedBundler function in LV Scripting does not work properly when the reference is opened from a New VI function
516144A VI used in a LabVIEW Remote Front Panels may hang when it calls the "Strings[]"Property Node
522606Error Ring does not adhere to dataflow in an executable or in a VI with debugging disabled
525685Error -2628 is returned when parsing an XML file with a Document Type Definition file
530520Error -2548 is returned when TDMS Create Scaling information is applied on all channels
530595Not a Refnum Primitive returns incorrect value when evaluating a specific type of "Invalid Refnum"
517128Error 1357 when building using two VIs with the same name and only capitalization differences.
542858In rare cases, LabVIEW applications that contain a Web Service may crash on exit.
559606In rare cases, leaving the Index input of Index Array function retrieves correct data but can cause other math functions to return incorrect results.
563825In certain rare cases, the Not A Number/Path/Refnum? function can cause LabVIEW 64-bit to crash; LabVIEW 32-bit is unaffected. Note: A recompile of the VI using the function is required to apply the fix.
426157VI invoke node Find CtrlWitkKeyFocus don't work with typdefs
447789"RecipeBkUp::SanityCheck()" Crash in LabVIEW
449869"ICallPiccCallback" 0x89B93EF0 crash in LabVIEW
451059"CProjectItemWrapper::GetPropertyBag(IlvProjectPropertyBag**)" crash in LabVIEW
453489Minimizing the lvlib group in VI Hierarchy messes up the entire VI hierarchy.
471706Cannot paste into destination name of installer properties in LabVIEW
477112If you cancel the file dialog in Write to Measurement File Express VI, it will never be displayed again.
477278The [VersionNumber] Tag throws error 7 when used in an RT-EXE build specification.
477954VI Analyzer throws error 1 when analyzing project with a Networked Computer under the Target Folder.
479161Error 7 When Building Installer for EXE with Custom Destinations
480165Concurrent calls of reentrant Data Value Reference accessors crashes LabVIEW on Windows and Real-Time
489848"Remove empty cases" option in case structure disappears when Subdiagram Label is visible.
502081Ctrl+shift+E (find in project) doesn't work for clone VIs.
510881LabVIEW Crash when saving Library containing Shared Variables with Class Object in Typedef.
513188Improved Bookmark Manager performance by adding additional caching.
513457"Change to Array" menu option should not appear on tab controls or XControls.
516227UI Thread LabVIEW code cannot execute while a Time Stamp Control's 'Set Time and Date' window is visible.
519216LabVIEW crash when closing subVI Icon Editor that was opened from VI Hierarchy.

Known Issues

IDKnown Issue
219819

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Center justified tables display improperly when overlapping with the front panel origin
When you add a table control to the front panel so that it overlaps with the vertical origin of the front panel, LabVIEW displays center justified columns off center when you type text. The cells appear to float or move horizontally until aligned with the vertical origin. Formerly tracked as 50061 and 42NAR8SA

Workaround: Move the table away from the front panel's vertical origin.

Reported Version: 8.0.1  Resolved Version: N/A  Added: 09/01/2007
39161
401FEQTL

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The device ID input of the Play Sound File VI does not work on Windows
On Windows, LabVIEW ignores the device ID input of the Play Sound File VI. This VI plays sound only on the default sound card.

Workaround: Use the Sound Output Configure VI and the Sound Output Write VI with the Sound File Open VI and the Sound File Read VI or the Sound File Simple Read VI. Refer to the Sound File to Sound Output example VI for an example of this workaround.

Reported Version: 8.0.1  Resolved Version: N/A  Added: 09/01/2007
47819
3N68LE00

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2GB file size limit of datalog files
The maximum size of datalog files is 2 GB.

Workaround: N/A

Reported Version: 8.0  Resolved Version: N/A  Added: 09/01/2007
48016
3P7CBB4Q

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Unsigned int32 loses value in formula node when you write to the most significant bit
If you wire a hex value greater than x7FFFFFFF as an unsigned, 32-bit integer to a Formula Node, LabVIEW coerces the value to 0. If you use a negative number for U32 input/output variable, LabVIEW will coerce the value to 0.

Workaround: 1. Use the Mathscript node or LabVIEW code for the operation that involves an unsigned, 32-bit integer.2. Use signed 32-bit integers instead of unsigned 32-bit integers in the formula node.

Reported Version: 8.0  Resolved Version: N/A  Added: 09/01/2007
50420
44CG88SN

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Update the Pulse Transition Measurement Express VI
The terminology and measurement definitions for the Transition Measurements VI comply with IEEE Standard 181-2003, IEEE Standard on Transitions, Pulses, and Related Waveforms. However, the Timing and Transition Measurements Express VI does not comply with this IEEE Standard.

Workaround: The Slew rate refers to the transition slope. The Preshoot refers to the pre-transition undershoot (rising pulse) or the pre-transition overshoot (falling pulse). The Overshoot refers to the post-transition undershoot (rising pulse) or the post-transition overshoot (falling pulse).

Reported Version: 8.5  Resolved Version: N/A  Added: 09/01/2007
51185
47FGSQCS

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Cannot save VI as the same name as missing library member VI
If a library contains a VI and the VI is missing, you should be able to save a VI as the same name as the missing VI in order to rebuild the missing VI. Currently, LabVIEW does not allow this.

Workaround: Delete the item from the library, save the new VI as the same name as the missing VI and then move the VI into the library.

Reported Version: 8.5  Resolved Version: N/A  Added: 09/01/2007
51311
477DKPBQ

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LabVIEW does not maintain child-only item setting when dragging an item within a tree
If you have a tree item with the child-only setting, and then drag it within the tree, LabVIEW loses the child-only setting.

Workaround: Use tree events to (1) get the child-only flag setting when the user begins a drag, and (2) reset the child-only flag after completing a drop.

Reported Version: 8.2.1  Resolved Version: N/A  Added: 09/01/2007
52027
4A4GRP00

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Cannot use the 'New>>VI for Override...' dialog to create override of password-protected VI unless you have the password
You use the 'New>>VI for Override...' dialog to override an ancestor VI in a LabVIEW class if the VI you want to override is password-protected.

Workaround: Make a public VI which wraps the functionality of the private VI, and instruct others to override the public VI.

Reported Version: 8.5  Resolved Version: N/A  Added: 09/01/2007
52263
4AJA41TQ

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Some operations on integer waveforms lose dt value
Some functions, such as Absolute Value and Logarithm Base 10 operate as you expect with DBL Waveforms, but when you apply the same functions to an I16 waveform, for example, the Absolute Value function works as you expect while the Logarithm Base 10 function loses the sampling interval dt value. LabVIEW resets the sampling interval dt value to 1.00. If the input waveform to the log function has a time stamp for t0, that value is also lost.

Workaround: Extract the Y-array of the waveform and perform the needed operations on Y before re-building the waveform.

Reported Version: 8.0.1  Resolved Version: 2015  Added: 09/01/2007
105509

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The "do not save automatic changes" setting does not affect libraries
The "do not save automatic changes" options setting does not affect any type of library, including classes.

Workaround: N/A

Reported Version: 8.0  Resolved Version: N/A  Added: 06/20/2008
119444

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Multi-column listbox format lost on upgrade
A Multicolumn listbox created in LV 7.1 may lose its format when opened in LV 8.5 or later. Column headers lose their 3D appearance and font formatting might be lost.

Workaround: Replace the Listbox and recreate all customizations

Reported Version: 8.5  Resolved Version: N/A  Added: 07/12/2008
120686

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Write to LabVIEW Measurement Files (LVM) using Express VIs takes up a lot of memory
The "Write to Measurement File" Express VI consumes a large amount of memory when writing to a Text File (LVM). However, the memory usage is smaller when the same Express VI is used to write a TDM/TDMS File

Workaround: Use general LabVIEW VIs (and not Express VIs) to perform an LVM write for large amounts of data. The other option would be to write in smaller chunks.

Reported Version: 7.1  Resolved Version: N/A  Added: 08/11/2008
51179
47B12U5U

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Error 6 occurred at Create Folder in Create Directory Recursive.vi when building an application (EXE), shared library (DLL), source distribution or web service
When building a Build Specification, the build process fails with Error 6 at Create Folder in Create Directory Recursive.vi. This usually happens if the path one of the files generated by the build (temporarily during the build process or as part of the output) is too long. The operating system requires paths for files to be less than 255 characters.

Workaround: 1. Use a shorter path for your build destination (i.e. c:\build\) and if necessary copy the output to the final location you need.2. A. For application (EXE) and shared library (DLL) build specifications, place a checkmark in the Use LabVIEW 8.x file layout checkbox on the Advanced page of the Properties dialog box.2. B. For source distribution or web service build specifications, uncheck the Preserve disk hierarchy checkbox on the problem Destination on the Destinations page of the Properties dialog box.

Reported Version: 8.2.1  Resolved Version: N/A  Added: 10/06/2008
141699

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NI Distributed System Manager does not show deployed libraries if they contain non-Latin characters.
If a library with non-Latin characters (such as Japanese, Chinese, or Korean) is deployed, it will not show up in the NI Distributed System Manager tree view.

Workaround: Rename the library using only the Latin alphabet and re-deploy the library.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 02/10/2009
157246

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The Property Node "Bring to Front" doesn't work in Windows Vista

Workaround: N/A

Reported Version: 8.6.1  Resolved Version: N/A  Added: 04/20/2009
128059

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Shared variable bindings in the same library are not updated properly when copying/renaming the library
If you have shared variables in a library which are bound to I/O servers or other variables that are also in the same library, and you rename or save a copy of the library, the bindings still refer to the original library name.

Workaround: Manually rebind the variables after copying or renaming the library.

Reported Version: 8.0  Resolved Version: N/A  Added: 04/28/2009
166253

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LabVIEW.app does not show up after LabVIEW 2009 Installation

Workaround: This is only an issue for customers who installed the LabVIEW 2009 Beta for Mac. Delete /Library/Receipts/LabVIEW*9.0.pkg before running the LabVIEW 2009 installer for Mac OS.

Reported Version: 2009 32-bit  Resolved Version: Unknown  Added: 07/31/2009
181687

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Web publishing tool fails without error
The web publishing tool may fail to start the web server if the port is already reserved, yet not return an error.

Workaround: Ensure that the port to be used by the web server is not in use.

Reported Version: 8.6  Resolved Version: N/A  Added: 08/03/2009
173080

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When a project that contains variables with binding is created in one language and opened in a different language, variables may fail to deploy

Workaround: Open the project in the desired language, double-click on the variables with binding, and re-bind the variables.

Reported Version: 8.6  Resolved Version: N/A  Added: 09/08/2009
163371

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"Save As:Copy" on a nested library breaks member VIs if use option to add copied library to owner library
Old Description :"Save As:Copy" on a nested library breaks member VIs if use option to add copied library to owner libraryIf you have a nested library, a library that is owned by another library, and you use Save As:Copy, there is an option to add the duplicate library to the original owner library. If you use this option, the member VIs of the duplicate library are all broken because they are not correctly named as members of the owning library.This bug affects all types of libraries, .lvlib, .lvclass, .xctl and .lvsc.

Workaround: Option 1: Do not use the "add to owning library" option and instead add the duplicate library to the owner manually after the copy.
Option 2: After the copy operation, open and close one of the new VIs and then move the duplicate library out of the owner library. Browse to any missing VIs that pop up a browse dialog. Move the duplicate library back into the owner library.

Reported Version: 8.5  Resolved Version: N/A  Added: 09/30/2009
168005

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Dynamic Variable API Does Not Support I/O Servers that Use Ranges
You cannot use the Variable classes, properties, and methods or the associated Shared Variable functions (Dynamic Variable API) to dynamically read and write PSP items published by an I/O Server that uses a Range item. For example, Modbus I/O Servers and Lookout Ranges are affected by this issue.

Workaround: If you want to use the Dynamic Variable API to read or write one of these PSP items, you can create a network-published shared variable and bind it to the PSP item. Then you can use the Dynamic Variable API to read and write the bound shared variable.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 11/10/2009
169840

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Large matrix operations that utilize the Intel MKL on Linux may crash LabVIEW
When one or more matrix operations consumes most of the system resources, the Intel MKL library produces an unhandled exception that results in a LabVIEW application crashing.This Intel library is used to accelerate fundamental linear algebra operations performed under Linux operating systems. This issue has been reproduced outside the LabVIEW execution environment and a bug report has been submitted to Intel.Because the crash is tied to system resources, it can manifest itself in many ways. For example, we have reliably reproduced the problem by:1. Decomposing a large matrix into multiple large matrices.Specific example: Computing the singular value decomposition (SVD) of a 2500-by-2500 matrix on a system with 256M RAM.2. Simultaneously computing multiple matrix operations using relatively small matrices.Specific example: Computing 30 matrix expressions using 300 x 300 matrices on a system with 512 MB RAM.

Workaround: If you have identified one or more matrix operations in your application that exhibit this behavior, you have multiple options to avoid crashing.1. Serialize the matrix operations so that they are not consuming resources in parallel.2. Replace affected matrix arithmetic functions using Basic Linear Algebra Subroutine (BLAS)functions found on the BLAS palette.3. Structure your application so that these operations are not competing with other functions for system resources.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 11/10/2009
103315

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Creating a circular link between an Xcontrol and a LVClass can crash LabVIEW.
The circular load leads to VIs that are permanently broken and no matter what you do the run arrow will not become fixed.

Workaround: Do not create a circular link from your XControl to your class. In other words, write your class completely and then write your XControl using the class. Do not put the XControl or any property/invoke node for the XControl into member VIs of the class.

Reported Version: 8.5.1  Resolved Version: N/A  Added: 11/17/2009
95055

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Save for previous fails if file path is too long
Save for previous copies the folder being saved to a temp location; if the resulting file paths exceed the limit defined by the OS, the function fails.

Workaround: Copy the folder being saved to the root directory to reduce the file path length and Save for Previous from that location.

Reported Version: 8.5  Resolved Version: N/A  Added: 11/17/2009
198717

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Unflatten From XML fails for cluster and arrays that consist of variants
Creating a cluster that contains a variant or building an array of variants, and then trying to flatten it to XML using the Flatten To XML VI and then unflattening it using the Unflatten From XML VI will throw error 1106

Workaround: N/A

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 02/01/2010
208364

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LabVIEW built installers created on a 32-bit machine will not install most drivers when run on a 64-bit machine
If you build an installer using LabVIEW on a 32-bit machine that contains National Instruments drivers, the corresponding drivers will not be installed if the installer is run on a 64-bit machine. Drivers such as NI-DAQ, NI-Sync etc. are affected by this issue. Installation on 32-bit machines are not affected by this bug.

Workaround: On the deployment 64-bit machine, download and install the missing drivers from the ni.com Drivers and Updates page
Reported Version: 8.5  Resolved Version: N/A  Added: 02/16/2010
213279

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Some nodes may crash or yield incorrect/inconsistent results when Inlined
An Inline public methodVI calling a private-scope method VI, inlined into a non-class caller may give a runtime error when trying to call the private method from the inlined code in the non-class caller.

Workaround: Do not try to Inline VIs with these nodes.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 02/19/2010
208088

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Updating the Labels of a Cluster Written to a Chart Does Not Update the Cluster Used for Chart History
Changing the Label of elements in a cluster written to the Waveform Chart does not update the label of the cluster when read from the Waveform Chart Data History Property.

Workaround: Temporarily wire up a completely different data type to the Waveform chart indicator and then rewire the original cluster. The changes will now propagate to the Chart History.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 03/09/2010
188911

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Control image alignment incorrect when "new report page" VI is used
When using Append Control Image to Report.vi, the alignment of some images are ignored when New Report Page.vi is used between appended images. This problem only exists with Office 2007. Other versions - Office 2003 and Office 2010 do not exhibit this behavior.

Workaround: Use a New Report Line.vi between appending the image and the New Page.vi

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 06/16/2010
227609

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Statically linking a LabVIEW built DLL in a C++ project results in error 998 if the DLL is not added to the Delay Loaded DLLs list

Workaround: Go to the Project Property Pages, Configuration Properties»Linker»Input and add the name of your DLL to the Delay Loaded DLLs list.

Reported Version: 7.1.1  Resolved Version: N/A  Added: 06/16/2010
153731

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Unhandled Exception can occur if absolute path for system DLL used in CLFN
If you use a specific path to a system DLL (C:\windows\system\user32.dll) and build your VI into an application it will create a copy of the DLL inside the application. This can cause an unhandled exception when running

Workaround: LabVIEW searches in the system directory when looking for DLLs. If you are using a system DLL simply put the name in the in DLL Path box in the CLFN properties. In the example above you would simply put "user32.dll"

Reported Version: 8.6  Resolved Version: N/A  Added: 07/23/2010
185890

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Text on a VI can be mutated to appear as Unicode
After building a project into an executable, various text for controls and indicators changes languages. It appears that the text was interpreted as Unicode.We have not been able to reproduce this in house to find a definite cause. Because of this we will leave this CAR open even though we have created code to recover from the corruption if it happens.Previously tracked as CAR 179683

Workaround: Upgrade the VI to LabVIEW 2011. In 2011 we put in code to only view text on VIs as unicode if the UseUnicode=True is in the LabVIEW .ini file. Previously this would only switch on the ability to change something to unicode.When the VI is upgraded to 2011 it should be saved and then saved for previous to return it to the original version.
Reported Version: 8.6.1  Resolved Version: N/A  Added: 07/23/2010
218083

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VIs with errors may show additional errors for code in disabled frames of Conditional Disable Structure
If you have a VI that has errors in it, there may be additional errors shown. The errors will be in code that is inside of a disabled frame of the Conditional Disable Structure (in the "Default" or "Windows" frame when on RT).

Workaround: Fix the other errors in the VI, and the additional errors should go away.

Reported Version: 2010  Resolved Version: N/A  Added: 07/23/2010
227030

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Wait on Notification from Multiple function has unexpected behavior when ignoring previous input.

Workaround: 

Reported Version: 8.0  Resolved Version: N/A  Added: 07/23/2010
229641

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Hang can occur when deploying RT project that has not been check out of VSS
When using VSS source code control for a real time project and trying to deploy code that has not been checked off the deployment window blocks a pop up from VSS saying that the code has not been checked out. The deployment status window is modal so it does not allow you to select to proceed in the VSS window.

Workaround: In the LabVIEW project properties disable the prompts from source code control. Or you could make sure that the VIs are saved prior to deploying.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 07/23/2010
232348

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Changes to a library item's access scope sometimes do not update broken callers.
Changing a library item's access scope sometimes does not update callers which are broken only because they were attempting to access an item which was out of scope to them.

Workaround: Force recompile (ctrl+click on the run arrow) any VI which incorrectly believes that access scope forbids access to it's dependency. Changing the access scope to another value, then back to the desired value while the VI is open will also fix the issue.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 07/23/2010
235019

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OpenSSL fatal error when LabVIEW exits
The OpenSSL fatal error possibly occurs when using Search features in LabVIEW for the first time after installation.

Workaround: Launch LabVIEW and exit when Getting Started Window opens. The error now goes away in future launchings.

Reported Version: 2010 32-bit  Resolved Version: Unknown  Added: 08/03/2010
236817

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NI-Auth does not work with Firefox
Web Services using NI-Auth work incorrectly in Firefox. A user's log in credentials will never be accepted.

Workaround: Use Internet Explorer

Reported Version: 2010 32-bit  Resolved Version: Unknown  Added: 08/03/2010
243468

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Default Namespaces not supported in XML Parsing VIs
When trying to work with XML Parsing VIs you will get error -2768Possible reason(s):LabVIEW: The XPath expression does not conform to XPath syntax. Refer to the W3CXPath Web site at http://www.w3.org/TR/xpath for more information about XPath syntax.

Workaround: Remove the default namespace (example: remove xmlns="http://www.ieee.org/ATML/2007/TestResults"),

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 08/17/2010
176848

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Picture Control Stops Updating After Setting Properties to Default.
Once the picture control's values have reinitialized to default by selecting Data Operations»Reinitialize to Default or programmatically using the method Reinitialize to Default, the mouse position property node stops updating.

Workaround: Replace the picture control with a new one from the palette.

Reported Version: 8.6.1  Resolved Version: N/A  Added: 09/24/2010
136677

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Remote panels do not work if Internet Explorer is embedded in an ActiveX or .NET Container
If a remote panel is built in LabVIEW 8.6 and embedded in an ActiveX or .NET Container in a LabVIEW 8.6 VI it will not display correctly

Workaround: Use a remote subpanel. This is actually the recommended way to accomplish this task

Reported Version: 8.6  Resolved Version: N/A  Added: 10/01/2010
196607

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DTbl Replace Subset VI behavior change between LabVIEW 8.6.1 and 2009
The start input indexes from the replacement data instead of the existing data

Workaround: Set the index of data to replace from 0

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 10/01/2010
226840

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Formula VI does not execute pow(x,y) function

Workaround: Use the formula node to use the pow(x,y) function. If you need to change this programmatically, use the Power of X function in G code.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 10/01/2010
236377

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Dropping XControl from public library breaks XControl
When adding an X control from a public library into the controls palette, it become broken when dropped down to the front panel from the controls palette.

Workaround: Include a merge VI in the functions palette

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 10/01/2010
248914

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Changing the order of controls or deleting controls in a type def cluster can change references
When you create a reference for a control in a type defined cluster LabVIEW uses the cluster order to determine what control the reference is referring to. Say you have a type defined cluster with elements A, B, C and D with cluster order 1,2,3 and 4 respectively. On the block diagram of a VI you have control references to each of the controls. If you open the type def and delete control C the block diagram of the VI will only contain 3 references. Moreover, the reference that used to be for control C will now reference control D. This is because the control is based on cluster order

Workaround: N/A

Reported Version: 7.1.1  Resolved Version: N/A  Added: 10/01/2010
322914

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Formula VI does not execute pow(x,y) function

Workaround: Use the formula node to use the pow(x,y) function. If you need to change this programmatically, use the Power of X function in G code.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 10/01/2010
256141

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Windows 7 often shows "(Not Responding)" and will bring other windows to the front during expensive operations
If Windows 7 if a window is unresponsive to user input (e.g. mouse clicks) for five seconds it will ghost the window and display "(Not Responding)".Some operations in LabVIEW run in the UI thread. This is to prevent different operations from happening in parallel (e.g. compiling, edit operations, saving, drawing, etc.). Because large block diagrams can take longer than five seconds to compile or run clean up on Windows can tag LabVIEW as Not Responding.In some cases the ghosted window can move behind the other open windows when it finishes it task.

Workaround: Wait until the expensive task as finished before trying to interact with the window.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 10/28/2010
248421

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Bitshift does not work correctly in Expression Nodes and Formula Nodes with a data type smaller than I32

Workaround: N/A

Reported Version: 8.5.1  Resolved Version: N/A  Added: 10/29/2010
250588

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Warning Generated in a Method or Property of an XControl Appears as an Error in the Top Level VI
If you create a method or a property in an Xcontrol in which you have implemented code to generate a warning it is transformed into an error in the calling VI.

Workaround: In the VI look for specific error and transform back to a warning

Reported Version: 8.5.1  Resolved Version: N/A  Added: 11/02/2010
255466

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Shared variable moved from a project directly to a tab control is not added to the active page.

Workaround: After dragging the variable to the tab control. Reselect it and drag it slightly until the dotted lines appear around the tab control page and then drop it. The shadow is then removed because the variable has been added to the active page.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 12/15/2010
257275

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Format Into String does not work with the %d format for numbers larger than I32
The Format Into String VI does not correctly format numbers outside the 32-bit integer (I32) range when using the '%d' format. When the number is outside the I32 range, the resulting string displays either -2147483648 or 2147483647 depending on if the number is negative or positive.

Workaround: Use %.0f instead of %d as the format string.

Reported Version: 2010 32-bit  Resolved Version: 2015  Added: 12/31/2010
278730

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Web Services ignore the No App switch on RT targets
After deploying the web service to a RT target, it become like a start up executable. Any time the target is reboot, the web services re-starts automatically. However, unlike with start up executables, the web service can't be turned off by the No App switch.

Workaround: N/A

Reported Version: 2011 32-bit  Resolved Version: 2015  Added: 02/10/2011
236193

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Crash with invalid input (o or negative values) of "samples per channel" when misusing TDMS Set Channel Information
There are some situations if you set the value of "samples per channel" of TDMS Set Channel Information as 0 or negative values (invalid values), which could cause a crash.

Workaround: Avoid using 0 or negative values as "samples per channel".

Reported Version: 2010  Resolved Version: 2010 CVI  Added: 02/18/2011
245148

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Class Properties dialog sometimes throws timeout error 123 when opening and must be restarted
In LV 2010, there appears to be a timing race condition in the Class Properties dialog for LabVIEW classes. Every once in a while if you try to launch the dialog, the dialog will throw an error dialog reporting error 123 that the dialog has timed out while trying to launch. After you dismiss the dialog, you may see a secondary error dialog. Once you dismiss that, you can relaunch the Class Properties dialog and will generally succeed. There is no danger to your class and no corruption to you class file has occurred. It is solely a bug in trying to launch the dialog.

Workaround: Hit Continue or OK button to dismiss all error dialogs that come up then retry opening the Class Properties dialog.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 02/18/2011
251105

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S&V XControls built as Remote Panel crashes LabVIEW.
Remote panels do not reliably support the Sound and Vibration XControls.

Workaround: Use another mechanism for remote viewing.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 02/18/2011
275961

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Silver style Thermometer frame doesn't resize correctly when control is resized.

Workaround: N/A

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 03/08/2011
289842

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Get Variant Attribute VI returns wrong value if attribute not found
The default value that's returned by the Get Variant Attribute VI is not blank when nothing is wired to the default value terminal. The Get Variant Attribute instead seems to return the last/previous value it returned as the default value.

Workaround: Use the Found? output and logic to return a blank variant if necessary

Reported Version: 8.6.1  Resolved Version: N/A  Added: 03/21/2011
290105

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Text Labels in Silver Control are not in silver style

Workaround: N/A

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 04/05/2011
238713

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3D Picture Controls can display transparently or crash LabVIEW on certain graphics cards
The 3D Picture Control is built on a OpenSceneGraph which uses OpenGL. Several reports of the 3D picture control crashing LabVIEW have been reported. In almost all cases it was an Intel integrated graphics card involved. This crash is caused by an incompatibility of the graphics hardware.Note: Many of the 3D Graphs use the 3D Picture Control

Workaround: There have been several things that have worked for users:
  • Update the video driver
  • Turn on/off hardware acceleration
  • Turn on Aero in Windows 7
  • Turn off Aero in Windows 7


Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 04/20/2011
284936

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Breaking one Override VI in LVOOP shows all siblings as broken but does not explain why
When using OOP in LabVIEW, breaking the connector pane of a child class Override VI will make all of its sibling override VI's appear broken even though they are not broken. Hitting run on the broken Run Arrow of any child class Override VI will list all of the child class VIs in the list of "Items with Errors", but none of them will have an error associated with it except for the broken ones.

Workaround: Use the red X in the errors window to find the actual broken VI

Reported Version: 8.6.1  Resolved Version: N/A  Added: 04/20/2011
186808

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Shared Variable library on PC is undeployed if the a V in the same project is programmatically deployed to a Real-Time target
When programmatically deploying a VI to a Real-Time target the Shared Variable library residing in the same project as the deployed VI will be undeployed.

Workaround: Programmatically deploy the shared variable library on the PC after deploying the VI to the real-time controller.

Reported Version: 2009 32-bit  Resolved Version: N/A  Added: 07/20/2011
284289

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Source distributions with block diagrams removed prevents the use of static Shared Variable nodes.
Source distributions that include static Shared Variable nodes with block diagrams removed will return the following error at run-time, "VI has a bad connection to or cannot find a subVI or external routine."

Workaround: Use the Programmatic Shared Variable API or do not remove the block diagrams.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 07/20/2011
257194

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Connector pane of a VI can change from LabVIEW 2009 to LabVIEW 2011
If you have a VI with no items in the connector pane and upgrade it straight form LabVIEW 2009 to LabVIEW 2011 then the connector pane may change

Workaround: Open in LabVIEW 2010 first

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 08/02/2011
279373

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SMTP has been updated to use port 587; LabVIEW makes use of legacy port 25
The SMTP has been updated to use port 587 instead of port 25. LabVIEW still makes use of port 25 with its SMTP VIs.

Workaround: Open any SMTP VI, and find the SMTP_CreateSession.vi. Open that VI, you will find a numeric constant on the block diagram that is set to 25.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 08/02/2011
282737

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Applications with Chinese characters in the executable name will throw fatal error on English Windows 7

Workaround: Use a different name for the executable.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 08/02/2011
294285

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Type Defined Shared Variable not found in Executable
When a VI is made with the following conditions:1) Uses a Shared Variable attached to a type definition2) The type defined control (attached to the shared variable) is not in the main project directory (ie, it is in a different folder)3) The VI uses dynamic data (or waveform to dynamic data function)A created executable seems to not include the *.ctl file defining the shared variable type. This missing type definition causes the run time engine, when starting the executable, to search for and (if the control is not located in the searched directories) fail to find the *.ctl file. If the location of the *.ctl file is specified, the executable runs without issues.

Workaround: Disconnect from Type Def during the build.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 08/02/2011
320485

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User Events Created from Objects Cause Broken Packed Library VIs
If you are using an object as a user event, it works fine while in the LabVIEW environment. However, when compiled into a packed library, the user event refnum has a broken wire.

Workaround: N/A

Reported Version: 2010 SP1 32-bit  Resolved Version: N/A  Added: 08/02/2011
314082

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Listbox Control With Transparent Cell Background Does not Grey Disabled Item
n/a

Workaround: Make the background color of the cells match the background of the panel, instead of making them transparent.

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 09/07/2011
233061
4AQA5L00

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LabVIEW crashes after working with Simulation Subsystem using a LabVIEW Class
Sometimes LabVIEW will crash after working with a Simulation Subsystems that has a LabVIEW Class as one of its controls or indicators on its connector pane. Usually it is only a problem when working with the Subsystem's caller within a LabVIEW Project. The crash will occur after closing the project, while returning to the initial LabVIEW window.

Workaround: Save all work before closing the LabVIEW Project when using LabVIEW Simulation and Classes together.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 11/10/2011
239631

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Memory Growth with TDMS Write
With the standard TDMS API, when TDMS Write VIs are executed the API will build a cache in memory. This may present as a memory leak, as this memory is only cleared in specific situations.

Workaround: See KnowledgeBase 5WQD51YS: Memory Growth with TDMS Write for more information.

Reported Version: 2009  Resolved Version: N/A  Added: 04/27/2012
351506

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[Mac] Test Device option on Play Waveform Express VI Configuration page doesn't output test tone
N/A

Workaround: N/A

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 05/07/2012
351741

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Panes 'Top' pixel coordinates will vary when Windows 'Aero' is enabled/disabled
If the Windows Vista/7 option to "Use visual styles on windows and buttons" is enabled, a VI property node for Front Panel Window:Panel Bounds will return a different 'Top' value.

Workaround: If you are calculating the position of elements within your VI based on this value, check the deployed OS, and subtract an offset value.

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 05/07/2012
359662

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Some dotted scripting property calls can crash LabVIEW if earlier properties error
If you access the property LinkedControl.ClassName on an object that does not have a linked control error 1308 will be thrown. If you access the property 3 times, LabVIEW will crash.

Workaround: Separate into two calls; e.g. change a property of LinkedControl.ClassName into a call to LinkedControl, which emits a reference and, if successful, wire that to a second property node to get ClassName.

Reported Version: 2010 SP1 32-bit  Resolved Version: N/A  Added: 07/11/2012
356420

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Robotics Wizard cannot load a manifest file in a folder with a Chinese character in the name
Robotics Wizard cannot load a manifest file in a folder with a Chinese character in the name

Workaround: Move the manifest file to a new location

Reported Version: 2012  Resolved Version: N/A  Added: 07/13/2012
244551

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Editing large strict type definitions can take a long time to update
When large type definitions are updated, all instances in memory require an update. This update can take many minutes for very large type definitions.

Workaround: Use smaller type definitions, or consider using LabVIEW classes to contain your type data.

Reported Version: 7.1.1  Resolved Version: N/A  Added: 07/23/2012
202192

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LabVIEW UDP broadcast is inconsistent across different OS's.
If the UDP Open VI has 0.0.0.0 wired to the Net Address terminal, the behavior varies with OS. Windows XP and NI ETS will send on all interfaces, while Windows Vista, Windows 7, VxWorks, and Linux will send on the default interface.

Workaround: N/a

Reported Version: 8.6.1  Resolved Version: N/A  Added: 07/24/2012
239719

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Property page doesn't update when Adapt to Source is coerced to off
If you have a FXP constant with Adapt to Entered Data set and make any modifications to the display format, the resulting constant will not be set to adapt. The property page will not reflect this change before it is closed.

Workaround: Always double-check condition of Adapt To Entered Data.

Reported Version: 2010  Resolved Version: N/A  Added: 08/03/2012
245359

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Selecting a newer version of a .NET assembly does not reload assembly
Changing a constructor from an old version of a .NET assembly to a newer version at edit time does not cause the new assembly to be loaded and consequently none of the new functionality is available.

Workaround: 1. Remove the old assembly so the .NET Runtime is not able to find it. It will then return the updated version to LabVIEW.2. Load the new assembly in a blank VI before opening your existing VI. This will load the new version into memory prior to you requesting the older version.

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 08/03/2012
335576

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Play Waveform Express VI gives error 4803 with Sample Rate 3125, 6250, 12.5K, 25K, 50K, 100K, 200K Hz
n/a

Workaround: Instead of using the "Play Waveform" Express VI, use the code from the example Generate Sound.vi.

Reported Version: 2010 SP1 32-bit  Resolved Version: N/A  Added: 08/03/2012
347272

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Executables built (without SSE2) in LV 2011 on an Intel Core Duo machine throw Error 57 when run on a machine with an AMD Athlon 3200+ processor.
n/a

Workaround: Build the executable on the Athlon 3200+ computer.

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 08/03/2012
353261

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Conditional Indexing Terminal on Parallel For Loop with Shift Registers Runs with "Memory is Full Error"

Workaround: Use the Build Array in a Case structure

Reported Version: 2012 32-bit  Resolved Version: N/A  Added: 08/03/2012
IDKnown Issue
355840

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"Get Image" method is unreliable on .NET controls in LabVIEW (64-bit)
Calling the 'Get Image' method on a .NET control works correctly on 32-bit versions of LabVIEW, but will fail to return an image intermittently when LabVIEW (64-bit).

Workaround: n/a

Reported Version: 2011 64-bit  Resolved Version: N/A  Added: 08/03/2012
356656

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Crash when compiling VIs that call into a certain class based VI hierarchies
Some VIs that call into a formerly non-dynamic dispatch member of a class whose parent is missing may crash when saved or mass compiled.

Workaround: Open the class first, then open the VI and save it.

Reported Version: 2011 32-bit  Resolved Version: N/A  Added: 08/03/2012
361311

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"Natural log of 1 + x" primitive incorrectly returns NaN for small positive values
n/a

Workaround: n/a

Reported Version: 2011 32-bit  Resolved Version: 2015  Added: 08/03/2012
364338

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"Error while retrieving database: Forbidden" connecting to a RT target via the web configuration.
If you change the admin password for an RT target and reboot the target before saving, you may receive the error "Error while retrieving database: Forbidden."

Workaround: Refresh the web page hosting the web configuration.

Reported Version: 2012  Resolved Version: N/A  Added: 08/03/2012
369142

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Front Panels may stop updating with 3+ monitors with Windows Aero enabled
With Windows Aero enabled on a machine with 3 or more monitors the front panel may stop drawing. This issue has been seen in limited cases and is usually after hours of operation. The application itself continues to run. Moving or minimizing the window causes it to start updating again.

Workaround: Disable Windows Aero by selecting a non-Aero theme.

Reported Version: 2010 SP1  Resolved Version: N/A  Added: 09/01/2012
377385

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Error 1390 on Dynamic VI Call to Friend Library
The error is returned when two Community scoped LabVIEW Libraries are Friends to each other, and one Library performs a dynamic call to a VI in the other Library.

Workaround: Change the dynamic call to a static call, or change the scope to Public on the Library containing the callee VI.

Reported Version: 2012  Resolved Version: N/A  Added: 01/28/2013
364845

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Streaming data to a Digital Display Chart data occasionally incorrectly displays zero even when the data is non-zero
N/A

Workaround: N/A

Reported Version: 2012  Resolved Version: N/A  Added: 01/29/2013
367249

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It is not possible to customize the Run-Time Shortcut menu of a 3D Graph
N/A

Workaround: N/A

Reported Version: 2012  Resolved Version: N/A  Added: 01/29/2013
381656

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Adding or subtracting timestamps causes a conversion to double and precision loss
N/A

Workaround: Cast the timestamps to clusters of U64 'seconds since epoch' and I64 'fractions of a second' before the operation and then cast back to timestamp after the operation

Reported Version: 2011  Resolved Version: N/A  Added: 01/29/2013
257735

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Class VIs that call shared variables in a library in an auto-populating folder will not be loaded
If a VI in a class calls a shared variable that is in a library in an auto-populating folder, it will not find the shared variable when the project is loaded

Workaround: Make the folder a snapshot instead of auto-populating and reopen the project

Reported Version: 8.6.1  Resolved Version: N/A  Added: 02/01/2013
381128

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The MonthCalendar .NET control automatically resizes to the incorrect size when the VI is run
N/A

Workaround: At the beginning of the code write to the Container Bounds property node "ContBounds" for the .NET container. While the code is running the calendar will have the right size

Reported Version: 2012  Resolved Version: N/A  Added: 02/01/2013
305978

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Save As Duplicate with Include All Dependencies makes a Copy of the instr.lib Folder.
Include All Dependencies option in Save As does not ignore files from laview\instr.lib folder.

Workaround: Choose "Select contents to copy" and uncheck instr.lib

Reported Version: 2010 32-bit  Resolved Version: N/A  Added: 08/02/2013
388446

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Eval Parsed Formula Node.vi returns incorrect results
Incorrect results are possible if preceding Parse Formula Node.vi contains too many C-style comments.

Workaround: Reduce the amount of comments used in formula input to Parse Formula Node.vi

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
389041

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Error -314250 from Create Network Stream Writer Endpoint
Error is returned when data type is set with a SGL value that has a unit label defined.

Workaround: Change representation or DBL, or remove the unit label.

Reported Version: 2013  Resolved Version: N/A  Added: 08/02/2013
391455

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Applying an icon to LabVIEW class overwrites the icons of its methods
The icon for a LabVIEW class appears to be only the banner, but when it is applied it overwrites the entire icon of the method VIs

Workaround: N/A

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
391784

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Memory Lead when Sound VIs are Called Dynamically
Sound Input Configure.vi and Sound Input Clear.vi leak memory when called dynamically

Workaround: Use a static call to these VIs.

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
392232

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Autopreallocate Arrays and Strings VI Property Can Crash LabVIEW when not in FPGA Context
Changing an FPGA VI to run in a context other than FPGA does turn off the VI property to Autopreallocate arrays and strings if it was previously turned on. Running a VI that has this property on and manipulates arrays or strings can cause LabVIEW to crash.

Workaround: Uncheck the Autopreallocate arrays and strings VI property for the VI.

Reported Version: 2010  Resolved Version: 2015  Added: 08/02/2013
392446

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Installing LabVIEW on a Windows Laptop Decreases Battery Life
Even with NI applications closed, services installed by LabVIEW request high resolution timers. These timers prevent the hardware from sleeping, and requires more power.

Workaround: N/A

Reported Version: 2012 SP1  Resolved Version: 2015  Added: 08/02/2013
392545

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Timed Loop crashes LabVIEW after exiting
A timed loop that meets these criteria can crash LabVIEW after finishing execution.1) The Timed Loop must write to the "Offset" input node inside the loop2) The Timed Loop must have set the "Mode" input node to anything else other than "No Change" or "Discard missed periods, ignore original phase" before the loop begins

Workaround: Configure the Timed Loop once at the beginning of execution instead of each iteration.

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
394454

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Data Binding: Path property can change bindings in other VI clones
Writing to a Data Binding: Path can change binding path for other instances of the control if clones of the VI are already open

Workaround: Use programmatic Shared Variable access to update front panel controls instead of Data Binding.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
398998

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3D Surface Axis Labes not Visible when Dialog Font Changed
Some fonts cause the Axis Labels to be visible on 3D Surface controls when the Dialog Font is changed from default. For example MS Sans Serif causes the issue.

Workaround: Use a Dialog font that doesn't cause the issue.

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
399068

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Double Numeric Slide can not be Set to 0 when it has Defined Limits with Mouse
A user can not slide a Double Numeric Slide to 0 when it has defined increment, maximum, and minimum properties. Instead of 0, a value very close to 0 will be entered ie: 5.55112E-16.

Workaround: Do not set both defined maximum and minimum for the slide. Instead, change one of them to Inf or -Inf. Also a value of 0 can be entered into the digital slide.

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
400736

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Error -4403 returned from Write Palette.vi for Template VIs
Template VIs can not be added to the palettes with the Write Palette.vi, error -4403 will be returned.

Workaround: Add Template VIs to the palettes manually through Tools»Advanced»Edit Palette Set...

Reported Version: 2013  Resolved Version: 2015  Added: 08/02/2013
401421

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Updates to Global Variables Not Visible when Remote Debugging a LabVIEW Built Stand-Alone Application
If the updates occured before connecting to the Remote Application with the debugger, the updates won't be visible. Updates to the Global Variable after connection with the debugger is establish will be visible.

Workaround: Change the build specification for the stand-alone application to wait for debugger on launch, so no Global Variable updates can happen until a debug session is started.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
401689

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Constrained Non-Linear Optimization VI has Potential for Infinite Loop
Depending on the function data, Constrained Non-Linear Optimization can execute indefinitely. No checks are done in subVI for infinite loop.

Workaround: Enter in your own check to see infinite loop is occurring.

Reported Version: 2012 SP1  Resolved Version: 2015  Added: 08/02/2013
403182

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Sound Output.vi Does Not Support more than 2 Audio Channels on Windows 7
Error 4811: "can not support sound format" will be returned from the VI when executed on Windows 7.

Workaround: More than 2 Channels are supported on Windows XP.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
403727

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Repeated Dynamic Calls to VI in Packed Project Library Can Cause Error in VI Call
After over a million Dynamic Calls to a VI contained in a Packed Project Library, a error can be thrown that LabVIEW attempted a recursive call.

Workaround: The error does not occur on regular project libraries.

Reported Version: 2011 SP1  Resolved Version: N/A  Added: 08/02/2013
405271

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Boolean Mechanical Actions Don't Work as Expected on Windows 8 Touch Screen
Switch Until Released and Latch Until Released don't behave as expected for touch and hold gesture. Boolean controls will not toggle on touch and hold gesture, until finger is dragged outside the bounds of the control. Other Boolean mechanical actions behave as expected.

Workaround: N/A

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
406311

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VI.Control Value.Set will Crash LabVIEW When Value Non-Variant Data is Used for Value Parameter
The crash will happen when VI.Control Value.Set is invoked upon a VI reference that has been opened by Open VI Reference.

Workaround: Cast data to variant before wiring to Value parameter.

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
407614

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Control.Delete Method Crashes LabVIEW When Used on Grouped Pictures and Free Labels
LabVIEW will crash when VI scripting method Control.Delete is invoked on pictures or Free Labels that are grouped on the front panel.

Workaround: N/A

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
407633

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Set Cell Value Method Returns Error 1604
Set Cell Value method for tables returns error 1604 if method executes at the same time that a user changes the value of a Picture Ring Control.

Workaround: Architect code so table is not updating continuously to reduce risk that user changes Picture Ring value at the same time that Set Cell Value is executing.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
408391

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Non-printable Characters in the Description of Will Corrupt LabVIEW Classes and Libraries
Non-printable characters can be inserted into the description of LabVIEW Classes and Libraries with the Description Property Node. This will corrupt the .lvclass or .lvlib file.

Workaround: The .lvclass or .lvlib file can be opened in a text editor, and the description can be manually deleted to recover the files.

Reported Version: 2012  Resolved Version: N/A  Added: 08/02/2013
408790

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Palette Editor Cannot Add LabVIEW Classes
LabVIEW Classes are an available option to be added to palettes, but adding them will not take effect.

Workaround: If your goal is to allow dropping of the class control or constant, you can create a custom control (not a typedef) that has the class on it's panel and add the custom control to the palettes. If your goal is to add the LabVIEW Class as a linked library, you can do so programmatically with Write Palette.vi.

Reported Version: 2009  Resolved Version: N/A  Added: 08/02/2013
410360

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LabVIEW Classes Become Corrupt When Multiple Files With Same File Name are Added to the Class
When a LabVIEW Class is saved with multiple files sub-files that have the same file name, the .lvclass file will become corrupt.

Workaround: N/A

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
410479

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Grouping ActiveX containers removes inserted ActiveX objects
When populated ActiveX containers are grouped with other front panel objects, the inserted ActiveX object will be removed.

Workaround: Re-insert the ActiveX object after it has been grouped with another object, or group a blank ActiveX container, then insert the object.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
410904

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Print.VI to Printer Method Always Prints Header in LabVIEW Built Applications
The Page Headers? parameter for Print.VI to Printer is always true when running as a LabVIEW Built Application. The parameter is used properly when the method is ran in the LabVIEW development environment.

Workaround: 1. Select Operate»Print at Completion to print the front panel of a VI when it finishes running.2. Select File»VI Properties.3. Select Print Options from the Category pull-down menu.4. Place a checkmark in the Automatically Print Panel Every Time VI Completes Execution checkbox.5. Uncheck Print header (name,date,page number) box6. Click the OK button.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 08/02/2013
415924

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Double precision numeric constants set to "bar" units sometimes use Pa units
Double precision numeric controls and indicators using "bar" units work correctly, but block diagram constants use Pa instead of bar.

Workaround: Create the constant from a control with "bar" units and then change the unit label from Pa to bar to get a constant that uses bar.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 10/14/2013
420965

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Adding a tooltip for a tab control after configuring the tab to show text and image can cause the tooltip to appear in the wrong position
If you configure a tab control for text-image content, and then add an image and change the tooltip, the tooltip will appear far away from the tab control.

Workaround: View the tooltip after adding the image and before changing the default tooltip

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 10/14/2013
408891

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Getting an Entire Column of Data from a 2D Array in the MATLAB® Script Node Returns Only 1 Element
In the context of the MATLAB® Script Node, attempting to return an entire column of data from an array using a command like "column1 = array2D(:,1);" returns only a single element. This same operation on a row "row1 = array2D(1,:);" , returns the entire row successfully.

Workaround: Transpose the array, and get the data in it's context as a row.

Reported Version: 2012  Resolved Version: N/A  Added: 10/16/2013
424382

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Path controls in LabVIEW for Mac OS X treat .app files as folders instead of files

Workaround: None

Reported Version: 2013  Resolved Version: N/A  Added: 10/16/2013
425562

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Scan from String requires a space between modifiers when using SI notation
Scan from String requires a space between the modifier and the unit. For example, %pV will throw an error with an input string of 10mV, but it works correctly with %p V and an input string of 10m V.

Workaround: Add an additional space after the modifier

Reported Version: 2012  Resolved Version: 2015  Added: 10/16/2013
412979

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Flatten to XML String does not properly escape single and double apostrophes in a string input (' and ")
These should be escaped to "apos" and "quot" but are not. Other special characters including &,<, and > are correctly escaped.

Workaround: Parse the string manually for apostrophes to escape them

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 10/17/2013
422507

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Entering an integer into a numeric control that has a time display format does not update the control
Double clicking inside a time display numeric control and typing a new value does not update to the new value, and the control reverts to its original value. This happens for controls with a display format of either %t or the default Relative Time format.

Workaround: If the display format is %t, enter values with a decimal point after the number (as a double)If the display format is the default Relative Time, single click on the hour or minute fields and update individually or enter the value in the format HH:MM with the colon to successfully update

Reported Version: 2013  Resolved Version: N/A  Added: 10/23/2013
428515

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On Scientific Linux 6.3 with updated Mesa Drivers, 3D Picture Controls display an inverted image

Workaround: Downgrade the Mesa drivers or manually invert the image.If your 3rd-Party Mesa driver version is between 7.11 and 9.2.1, you need to add the LabVIEW INI token "Invert3DPictImage=True". Driver version 7.11 and earlier, and version 9.2.1 and later, do not need the INI token.

Reported Version: 2013  Resolved Version: N/A  Added: 10/23/2013
443165

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Modifying the dependencies of a Packed Project Library (PPL) may cause LabVIEW to crash
N/A

Workaround: To avoid the crash, rebuild the PPL after modifying the dependencies.

Reported Version: 2013  Resolved Version: 2015  Added: 01/30/2014
390021

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An inlined VI can not be placed on the block diagram of a VI with subroutine priority unless it also has subroutine priority
Inlined VIs should ignore the Priority setting in VI properties, however an inlined VI dropped in a subroutine priority VI will break the run arrow unless the inlined VI is also set to subroutine priority.

Workaround: Set the inlined subVI to subroutine priority

Reported Version: 2012  Resolved Version: N/A  Added: 03/11/2014
425313

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Selecting the option to hide grid lines when using Export Simplified Image with a waveform graph will not hide all grid lines when using multiple axis
When using the waveform graph right-click option to Export Simplified Image with the option to hide grid lines, some of the grid lines will still be visible if there are multiple axis

Workaround: Disable the grid of the additional axis through the scale tab of the graph properties

Reported Version: 2013  Resolved Version: N/A  Added: 03/11/2014
430758

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It is not possible to save a VI with the name of another VI in memory, even if they are in different libraries
LabVIEW does not check the library namespace when determining if a VI is being saved with a name that is already in use. If a VI is in memory, it is not possible to save another VI with the same name in the same project even if they are in different libraries.

Workaround: Close the other VIs with the same name so they are not in memory.

Reported Version: 2013  Resolved Version: N/A  Added: 03/14/2014
432182

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Custom labels on a 3D bar chart do not display properly in a 2D view
Custom labels on a 3D bar chart will revert to a numeric value when viewed in a 2D Projection

Workaround: N/A

Reported Version: 2013  Resolved Version: N/A  Added: 03/14/2014
437390

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File Path control does not display "Browse" dialog if Start Path is an invalid network path.
LabVIEW may hang while waiting for Windows to locate an invalid network directory. The control's owning VI may hang while it searches for the directory, or it may appear that the "Browse" button does not have any affect and does not invoke a dialog. This can happen if the Start Path input in Browse Options... is an invalid path or if the Start Path in blank and the control's value is invalid.

Workaround: Make sure the Start Path input is valid before selecting the Browse button. If the Start Path input is blank, change the File Path control's value to a known valid path before browsing.

Reported Version: 2012  Resolved Version: N/A  Added: 03/24/2014
428914

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The Y-Axis of a Mixed Signal Graph will not correctly scale when the graph is set to "Scale Object with Pane" and the user decreases the size of the VI Front Panel.
Increasing the size of the pane will result in the graph growing and scaling its axes correctly, but decreasing the size of the pane will only shrink the graph without scaling the Y-Axis. The Y-Axis will now have a scroll bar due to not scaling.

Workaround: Use the "Plot Area" Property Node to shrink the graph to appropriate size.

Reported Version: 2013  Resolved Version: N/A  Added: 03/31/2014
433596

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The 3D Surface Plot does not draw correctly when the input data is an array of the same value
The plot is completely blank if the array contains only the same value. Changing one value correctly draws the 3D Surface Plot

Workaround: Manually or programmatically toggle the Z-Axis range, or turn off Auto Scaling on Z-Axis, and the plot will appear

Reported Version: 2013  Resolved Version: N/A  Added: 03/31/2014
458973

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Writing a negative number to single point float Network Shared Variables through the OPC I/O Server fails.

Workaround: Use Double precision shared variables instead.

Reported Version: 2013  Resolved Version: N/A  Added: 03/31/2014
468921

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Auto-populating folders may not update their contents correctly
Saving a web page file (.htm) from certain programs can result in the auto-populating folder displaying the web page file as a ".ht_" file, which can cause errors in build specifications and other parts of the program that rely on the files.

Workaround: Close and reopen the project to correctly update the files in the auto-populating folder. Or, press f5 to refresh the project window.

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 04/30/2014
469268

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Formula Node and MathScript Node variable labels can shift to become misalligned
After opening and closing its VI, the label will no longer look centered inside its owning box

Workaround: This should not affect functionality. Recreate the variable on the node's border to recenter the label

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 05/02/2014
461969

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When using a class containing a DAQmx Physical Channel control, it will not properly load that information from an XML file.
The control can be changed and saved to the XML as expected and seen when opening the XML. However, when you try to load the channel from the XML it appears blank.

Workaround: If you place the class cluster in an additional cluster the DAQmx Physical Channel control saves and loads as expected.

Reported Version: 2013  Resolved Version: N/A  Added: 05/07/2014
465422

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In certain cases, LabVIEW Crashes When Deleting a Subdiagram Label From a Merged Flat Sequence Structure

Workaround: Do not merge frames with Subdiagram Labels or hide the labels before merging.

Reported Version: 2012 SP1  Resolved Version: 2015  Added: 05/07/2014
468139

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.NET Callback Event VI keeps the Callback VI reserved even after calling a Close Reference VI is called
For example, when running the "Passing data to a .NET Event Callback.vi" example, after stopping the main example VI, the "Callback - EventHappened.vi" is still reserved.

Workaround: I've come up with a work around for this problem. GC.Collect() can be called manually from the invoke node in a separate VI(Or the user could call it after un-registering the callback). This would un-reserve the callback VI. Steps : 1. Drop an invoke node in an empty VI 2. Right click on the node and in the menu under "Select Class" -> ".NET" choose Browse. 3. In the Class browser dialog navigate to mscorlib(4.0.0.0) assembly in the drop down 4. Once selected in the list below expand the system namespace and choose GC class. 5. Once this is done you can choose the Collect() static method. 6. You can unreserve the callback VI by running this VI.

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 05/07/2014
384591

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A password protected VI accessing a password protected community scoped VI is broken if the VIs are set to separate compiled code from source code
This only happens if the VI source-only option set to true: Tools -> Options -> Environment Settings -> Separate Compiled Code from New Files set to true, or via the VI Properties window

Workaround: Do not separate the compiled code from the source code or remove the password

Reported Version: 2011 SP1  Resolved Version: N/A  Added: 05/09/2014
424089

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The advanced analysis Kummer Function returns 'NaN' instead of correct values for certain combinations of input parameters.
Check the following forum for more information and a possible workaround

Workaround: Check the following forum for more information and a possible workaround:http://forums.ni.com/t5/LabVIEW/Bug-in-the-Kummer-Function/m-p/2387522#U2387522

Reported Version: 2013  Resolved Version: 2015  Added: 05/09/2014
464572

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Reading a datalog file truncated from more than 128 records returns error 4 "End of file encountered"

Workaround: N/A

Reported Version: 2011 SP1  Resolved Version: N/A  Added: 05/09/2014
471675

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Inverse FFT Function is very slow if inputs have NaN values

Workaround: Programmatically detect if the array has NaN in it by using the "NaN Path Refnum?" VI and a OR Array Elements and case structure the inverse FFT function.

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 05/15/2014
478232

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In certain cases, LabVIEW may incorrectly crisscross wires during loop creation
When adding a loop around existing code, LabVIEW may reconnect wires to the incorrect tunnels on the border of the loop

Workaround: Manually reconnect the appropriate wires and tunnels

Reported Version: 2014  Resolved Version: N/A  Added: 06/19/2014
476710

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Opening a VI Server Reference to two or more identically named VIs, contained in separate LabVIEW libraries in a running executable, can result in Error 1031
From a LabVIEW development environment, opening a VI Server Reference to two or more identically-named VIs, contained in separate LabVIEW libraries in a running executable, results in one successful VI reference and Error 1031 from all other Open VI Reference functions.

Workaround: Rename the referenced VIs so there are no name duplicates across LabVIEW libraries

Reported Version: 2013  Resolved Version: 2014 SP1  Added: 06/24/2014
470218

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LabVIEW (64-bit) for Mac, does not show the login prompt for Revision History when starting LabVIEW
In Tools>>Options, you can set the "User Name to Record in VI Revision History" to "LabVIEW registration name" which adds the token "history.whereToGetName=LabVIEW" to the LabVIEW.ini or LabVIEW.app file, for Windows and Mac OS X respectively. Changing the token to "history.whereToGetName=prompt" should invoke a login dialog each time LabVIEW starts, but the dialog does not appear in LabVIEW (64-bit) for Mac.

Workaround: After LabVIEW finishes launching, select Tools>>User Name to view the login dialog.

Reported Version: 2014  Resolved Version: N/A  Added: 07/28/2014
470533

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When creating a property accessor method of an EndevoGOOP400 type for a Simple DVR Template Class in the LabVIEW GOOP suite, LabVIEW generates Error 7

Workaround: Manually create the property accessor.

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 07/30/2014
476714

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The INI file created for a LabVIEW built executable contains a truncated list of VIs in the "server.vi.access=" line when enabling TCP/IP with multiple Exported VIs

Workaround: Manually list the missing VIs in the INI file

Reported Version: 2013  Resolved Version: 2015  Added: 07/30/2014
IDKnown Issue
477864

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When a number of controls are grouped on a tab control page, switching to that page takes a long time, proportional to the number of controls grouped

Workaround: Ungroup controls on tab pages

Reported Version: 2013  Resolved Version: 2015  Added: 07/30/2014
420582

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Typing Obtain in Quick Drop populates with an unexpected selection

Workaround: Disable 'relevancy-based search' in the Quick Drop configuration options

Reported Version: 2013  Resolved Version: N/A  Added: 07/31/2014
442745

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RF-RIO Instr Default Personality 5646R.lvproj's FPGA VI will hang on save.
Instrument driver\RFSA\5645R\Public\Apply Digital Correction.vi located in RF-RIO Instr Default Personality 5646R.lvproj will hang on save. This happens when removing the diagram disable structure. In addition, the VI cannot compile.

Workaround: Currently, using the structure wrap included in the example code is recommended. If you only use one instance of the polymorphic VI, re-arrange the instances such that the instance you wish to use appears first in the list.

Reported Version: 2013  Resolved Version: N/A  Added: 07/31/2014
462021

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In LabVIEW for Mac, filtered menu tracking is not cancelled until the event's case finishes executing
If you are the filter event "Menu Activation?" and you discard the event, the menu activation will not be cancelled until that case in the event structure finishes executing. This may cause the menu to appear momentarily before it disappears.

Workaround: Programmatically hide or disable the menu instead of filtering an event for it.

Reported Version: 2014  Resolved Version: N/A  Added: 07/31/2014
462029

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LabVIEW crashes when typecasting a RIO handle to a VISA handle

Workaround: Cast RIO handle to string and pass it into a VISA resource VI, or use the flatten to string/unflatten to string VIs.

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 07/31/2014
469070

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In some cases, Fract/Exp String To Number VI does not convert the string correctly
Examples:"1E-9999" should return 0 but returns Inf"1E-12000" sould return 0 but returns 1E-1200"1E9999" should return Inf but return 0"1E12000" should return Inf but returns 1E1200

Workaround: N/A

Reported Version: 2013  Resolved Version: 2015  Added: 07/31/2014
473149

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In certain cases, flattening or unflattening a large cluster and class hierarchy may result in Error 1403

Workaround: N/A

Reported Version: 2014  Resolved Version: N/A  Added: 07/31/2014
473389

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Unable to delete Waveform Chart or Graph plot entries

Workaround: Change the number of plots visible. More information at: http://zone.ni.com/reference/en-XX/help/371361L-01/lvhowto/pl_number/

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 07/31/2014
476362

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With an Actor Framework project in LabVIEW 2013 SP1 and the LabVIEW GOOP Development Suite, LabVIEW may crash when exiting if the Message Classes are Updated.

Workaround: Right click and run LabVIEW as Administrator.

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 07/31/2014
477265

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Large input for "byte count" causes decrease in performance for VISA Read on Linux RT

Workaround: N/A

Reported Version: 2014  Resolved Version: N/A  Added: 07/31/2014
477352

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In the TDMS File Viewer VI, the menu becomes partially hidden after making the plot legend visible

Workaround: Restart the VI containing the TDMS File Viewer and the menu should be fully visible

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 07/31/2014
480386

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ActiveX call to open PDF (Adobe Reader 11.0.07) results in LabVIEW crashing
More information at https://forums.adobe.com/message/6396203#6396203

Workaround: Downgrade to an earlier versions of Adobe Reader (11.0.6 and earlier)

Reported Version: 2013  Resolved Version: N/A  Added: 07/31/2014
481414

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In the LabVIEW GOOP design suite, you are unable rename a method of a GOOP class under an RT target from the project

Workaround: Double click the method, open the VI, and navigate through top menu bar Tools >> GOOP >> Create VI Icon to rename the method

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 07/31/2014
492898

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Open VI Reference hangs on second call

Workaround: This issue has been fixed in the LabVIEW 2014 f2 Patch.

Reported Version: 2014  Resolved Version: 2014 SP1  Added: 09/23/2014
487258

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A LabVIEW 2014 Web Service does not run when it is built into an executable and then installed via an NI Installer
A LabVIEW component is missing from the 2014 installer which is necessary to run the LabVIEW Web Service.

Workaround: This is fixed in the LabVIEW 2014 f1 Patch. See LabVIEW 2014 Patch Details for more information.

Reported Version: 2014  Resolved Version: 2014 SP1  Added: 11/13/2014
491159

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Type Definition instance does not require manual update (new to LabVIEW 2014) if last element of enum was deleted

Workaround: Rename the element to trigger a manual update

Reported Version: 2014  Resolved Version: 2014 SP1  Added: 11/13/2014
491225

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Installing the LabVIEW 2014 Run-Time Engine via an NI Installer can prevent the NI System Web Server from starting if older versions of LabVIEW are also present or installed.
Installing the LabVIEW 2014 RTE on a system with older components, such as LabVIEW 2013 Development System and LabVIEW 2014 Run-Time Engine, are the only systems affected. Systems with the full LabVIEW 2014 Development System are not affected.

Workaround: Include "NI Web-Based Configuration and Monitoring 14.0" in your NI Installer.This issue has been fixed in the LabVIEW 2014 f2 Patch.

Reported Version: 2014  Resolved Version: 2014 SP1  Added: 11/13/2014
491714

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Using Probes while Remote Debugging with General Error Handler VI present can cause LabVIEW 2014 to hang.

Workaround: Remove the General Error Handler VI

Reported Version: 2014  Resolved Version: 2014 SP1  Added: 11/13/2014
460106

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In certain cases, there is a memory leak when a .NET object is used in a LabVIEW Interop Assembly

Workaround: N/A

Reported Version: 2013 SP1  Resolved Version: 2014 SP1  Added: 11/20/2014
497131

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The WebDAV Put.vi when executed on a cRIO target can lead to a memory leak

Workaround: N/A

Reported Version: 2014  Resolved Version: 2015  Added: 11/20/2014
511646

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In rare cases, Mixed Signal Graph and Digital Waveform Graph cause a memory leak

Workaround: N/A

Reported Version: 2014  Resolved Version: N/A  Added: 11/20/2014
516217

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The WebDAV Put.vi when executed on a cRIO target can lead to a memory leak

Workaround: N/A

Reported Version: 2013  Resolved Version: 2015  Added: 11/20/2014
401078

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Opening any non-VI dialog, such browse for files or one button dialog, may block web service requests from executing.
The most common form of this issue seen when Show Method URL Dialog Box blocks requests to a LabVIEW Web Service. This only affects LabVIEW web services deployed to the debug server or embedded in a LabVIEW executable.

Workaround: Close the dialog box to allow requests to continue

Reported Version: 2013  Resolved Version: N/A  Added: 12/01/2014
438751

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Renaming a group in a Mixed Signal Graph crashes LabVIEW once there is a plot containing data

Workaround: Create a Strict Type Definition from a new Mixed Signal Graph. Change and update the Type Def to change the name of the group

Reported Version: 2013  Resolved Version: 2015  Added: 12/01/2014
467735

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"Format into File" produces Error 1 when appending to a file that has a size of 4 GB
See this NI Community page for more information.

Workaround: Use "Format Into String" and "Write to Binary File".

Reported Version: 2013  Resolved Version: N/A  Added: 12/01/2014
468062

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Path to URL.vi does not handle network path

Workaround: Use the attached Path to URL.vi and \vi.lib\Platform\browser.llb\Open URL in Default Browser core.vi in your code.

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 12/01/2014
492341

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LabVIEW TDMS Advanced Asynchronous Write does not return error when target disk is full.

Workaround: Use the TDMS Reserve File Size Function to allocate disk space before writing

Reported Version: 2014  Resolved Version: N/A  Added: 12/01/2014
493664

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Free Label arrow pointing to a wire inside a structure, such as For Loop or While Loop, will crash LabVIEW if user selects the structure and attempts to Clean Up Diagram before VI is saved

Workaround: Save the VI before selecting Clean Up Diagram

Reported Version: 2014  Resolved Version: N/A  Added: 12/01/2014
494409

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WebDAV Open Session VI does not output an error if unable to open a session

Workaround: Use the Path Info VI after the Open Session VI. It should timeout with Error 56 if the session is invalid.

Reported Version: 2014  Resolved Version: N/A  Added: 12/01/2014
497755

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Cannot reset the values of Build Specification Version in Set Build Specification Version VI to zero

Workaround: The version can be reset in the build specification directly in the LabVIEW Project

Reported Version: 2014  Resolved Version: 2015  Added: 12/01/2014
514789

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Autotuning PID Online.VI Example Reads Proportional Gain 'NaN' with the Relay Technique.
When running the Autotuning PID Online.vi example, with the Relay Technique the "Tuned PID gains" output of proportional gain (Kc) shows "NaN" when the program believes tuning is completed by flashing "tuning completed?".

Workaround: Tune the individual terms first. Start by first tuning for P until the response is stable. Then continue to tune by switching to PI. Lastly, repeat the process for PID.

Reported Version: 2014  Resolved Version: N/A  Added: 02/04/2015
515779

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Invoke node Append String returns error 1043 while display style set to backslash "\" codes

Workaround: Toggle to a different display style before using the Append String method

Reported Version: 2013  Resolved Version: 2015  Added: 03/11/2015
474764

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A VI can hang at Occurrences if Allow Debugging is Disabled
N/A

Workaround: Enable debugging

Reported Version: 2012 SP1  Resolved Version: 2015  Added: 04/24/2015
477280

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When using [VersionNumber], Application Builder post-build VIs do not get passed the proper path
For example the build spec may have a app builder destination directory of:\Builds\[VersionNumber]The files are built into a directory like this:\Builds\1.0.0.3\And the path that is passed to the post build VI is:\Builds\[VersionNumber]

Workaround: Parse the build path from one of the files generated from the build

Reported Version: 2013  Resolved Version: 2015  Added: 04/24/2015
480480

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Invoke Node shows the English shortname at the first drop in German LabVIEW
N/A

Workaround: N/A

Reported Version: 2014  Resolved Version: 2015  Added: 04/24/2015
480921

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Unable to delete and re-add a desitnation folder successfully in build specification of a LabVIEW Installer

Workaround: Delete the build specification from the project explorer and create a new one

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 04/24/2015
512464

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After making a change in Format Into String, the containing VI does not recompile automatically.
Since the VI does not recompile automatically, it may appear incorrectly broken or able to run when the opposite is true.

Workaround: Attempt run the VI to see the updated changes or used CTRL + RUN to force a recompile on the containing VI.

Reported Version: 2014  Resolved Version: 2015  Added: 04/24/2015
515054

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Icon transparency of VIs is not maintained when building a Source Distribution

Workaround: Unknown (use some other distribution method?)Opening and closing the Icon Editor for the effected VIs fixes transparency issues

Reported Version: 2014  Resolved Version: 2015 SP1  Added: 04/24/2015
526044

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VISA Resource and DAQmx resource controls in VIs called using COM interface sometimes incorrectly retain their value from a previous VI call rather than using the value provided as input.

Workaround: Configure your VI to dynamically unload the VI, set the "resvForCall" input to be false in the GetVIReference method, or typecast a string of the desired name to the desired IO Resource type before sending it to the call method.

Reported Version: 2014  Resolved Version: 2015  Added: 05/06/2015
485336

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Deleting a second y-axis on a waveform graph with a cursor crashes LabVIEW
When using a waveform graph indicator, it is possible to crash LabVIEW with an access violation error 0xC0000005 at EIP=0x00FE9E79 by creating two y-axis scales, creating a graph cursor, changing the cursor's associated y-axis, and then deleting the original y-axis scale.

Workaround: Remove the scale from the waveform graph, remove the unwanted y-axis scale, then recreate the cursor.

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 06/17/2015
493624

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Change of .NET assembly version requires manual relink of static class methods/properties

Workaround: N/A

Reported Version: 2013 SP1  Resolved Version: N/A  Added: 06/17/2015
493662

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dotNET Constructor Node cannot handle overloads with different enum parameter types

Workaround: Create a wrapper assembly to call from LabVIEW

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
507856

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Replacing an Intensity Graph with z-axis autoscaling enabled with a Waveform Graph or XY Graph causes LabVIEW to crash

Workaround: Delete the Intensity Graph and add a Waveform Graph or XY Graph rather than using the replace option.

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
508651

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Custom conditional disable symbols not copied to EXE when debugging and enhanced DSC run-time support are enabled

Workaround: Disable either debugging or enhanced DSC run-time support.

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
510218

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Create Mask.vi does not work in conjunction with the Get Image Subset.vi in LabVIEW

Workaround: Swap the Dimension Size inputs of the Reshape Array in the Case Structure at the bottom of Get Image Subset.vi.

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 06/17/2015
511691

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In specific cases, creating source distribution with myRIO can cause LV 2014 to crash

Workaround: If none of the additional exclusions are applied, then the source distribution should build successfully. This would only be viable for systems with dependencies in vi.lib, user.lib, and instr.lib directories already present on the target system.

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
511987

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In certain cases, VI Merge crashes with Custom Control files

Workaround: Select Options...Uncheck "Auto-resolve", "Block Diagram cosmetic changes", "Make space for block diagram changes", and "Link block diagram to front panel changes"

Reported Version: 2013  Resolved Version: N/A  Added: 06/17/2015
515300

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NamedBundler function in LV Scripting does not work properly when the reference is opened from a New VI function

Workaround: Use the Open VI Reference and Save A Copy functions, rather than New VI function, to create a new instance of a vi from a template.

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
516144

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A VI used in a LabVIEW Remote Front Panels may hang when it calls the "Strings[]"Property Node

Workaround: If before opening the VI's Front Panel, use the lock.RP property node and unlock it after the Front Panel has been opened.

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
522606

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Error Ring does not adhere to dataflow in an executable or in a VI with debugging disabled
See this forum for more details: http://forums.ni.com/t5/LabVIEW/Error-ring-excluded-in-executable/td-p/3100932

Workaround: Use an error constant

Reported Version: 2013  Resolved Version: N/A  Added: 06/17/2015
525685

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Error -2628 is returned when parsing an XML file with a Document Type Definition file

Workaround: N/A

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
530520

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Error -2548 is returned when TDMS Create Scaling information is applied on all channels

Workaround: Call Set Channel Information after calling TDMS Create Scaling Information.vi.

Reported Version: 2014  Resolved Version: N/A  Added: 06/17/2015
530595

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Not a Refnum Primitive returns incorrect value when evaluating a specific type of "Invalid Refnum"

Workaround: Use a property node, which should give you an error when attempting to use the reference, or implement your solution without the primitive by following this implementation: https://lavag.org/topic/15546-are-you-misusing-the-not-a-refnum-function-and-putting-your-app-at-risk/

Reported Version: 2012 SP1  Resolved Version: N/A  Added: 06/17/2015
517128

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Error 1357 when building using two VIs with the same name and only capitalization differences.

Workaround: Make sure your VIs have exactly the same name (so that LabVIEW catches that and gives them their unique directories) or make sure the VIs' names differ in more than capitalization.

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 07/20/2015
542858

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In rare cases, LabVIEW applications that contain a Web Service may crash on exit.

Workaround: No workarounds at this time.

Reported Version: 2013  Resolved Version: 2015 SP1  Added: 11/24/2015
559606

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In rare cases, leaving the Index input of Index Array function retrieves correct data but can cause other math functions to return incorrect results.

Workaround: Wire the index terminal of the Index Array function.

Reported Version: 2013  Resolved Version: 2015 SP1  Added: 02/03/2016
563825

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In certain rare cases, the Not A Number/Path/Refnum? function can cause LabVIEW 64-bit to crash; LabVIEW 32-bit is unaffected. Note: A recompile of the VI using the function is required to apply the fix.

Workaround: This has been fixed in the LabVIEW 2014 SP1 f5 Patch

Reported Version: 2014  Resolved Version: 2015 SP1  Added: 02/03/2016
426157

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VI invoke node Find CtrlWitkKeyFocus don't work with typdefs

Workaround: None

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
447789

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"RecipeBkUp::SanityCheck()" Crash in LabVIEW

Workaround: None

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
449869

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"ICallPiccCallback" 0x89B93EF0 crash in LabVIEW

Workaround: Remove all "attached object" arrows

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
451059

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"CProjectItemWrapper::GetPropertyBag(IlvProjectPropertyBag**)" crash in LabVIEW

Workaround: None

Reported Version: 2012 SP1  Resolved Version: 2015  Added: 02/09/2016
453489

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Minimizing the lvlib group in VI Hierarchy messes up the entire VI hierarchy.

Workaround: None

Reported Version: 2014  Resolved Version: 2015  Added: 02/09/2016
471706

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Cannot paste into destination name of installer properties in LabVIEW

Workaround: Manually type the destination

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
477112

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If you cancel the file dialog in Write to Measurement File Express VI, it will never be displayed again.

Workaround: None

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 02/09/2016
477278

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The [VersionNumber] Tag throws error 7 when used in an RT-EXE build specification.

Workaround: None

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
477954

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VI Analyzer throws error 1 when analyzing project with a Networked Computer under the Target Folder.

Workaround: Don't have this folder type in your project

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
479161

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Error 7 When Building Installer for EXE with Custom Destinations

Workaround: Don't use custom internal destinations for dynamically called VIs

Reported Version: 2014  Resolved Version: 2015  Added: 02/09/2016
480165

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Concurrent calls of reentrant Data Value Reference accessors crashes LabVIEW on Windows and Real-Time

Workaround: setting the methods to be non-reentrant or statically-dispatched prevents the crash

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 02/09/2016
489848

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"Remove empty cases" option in case structure disappears when Subdiagram Label is visible.

Workaround: N/A

Reported Version: 2014  Resolved Version: 2015  Added: 02/09/2016
502081

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Ctrl+shift+E (find in project) doesn't work for clone VIs.

Workaround: N/A

Reported Version: 2014  Resolved Version: 2015  Added: 02/09/2016
510881

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LabVIEW Crash when saving Library containing Shared Variables with Class Object in Typedef.

Workaround: Don't add class objects to typedefs used for Shared Variables

Reported Version: 2013 SP1  Resolved Version: 2015  Added: 02/09/2016
513188

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Improved Bookmark Manager performance by adding additional caching.

Workaround: N/A

Reported Version: 2013  Resolved Version: 2015  Added: 02/09/2016
513457

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"Change to Array" menu option should not appear on tab controls or XControls.

Workaround: N/A

Reported Version: 2012  Resolved Version: 2015  Added: 02/09/2016
516227

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UI Thread LabVIEW code cannot execute while a Time Stamp Control's 'Set Time and Date' window is visible.

Workaround: N/A

Reported Version: 2014  Resolved Version: 2015  Added: 02/09/2016
519216

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LabVIEW crash when closing subVI Icon Editor that was opened from VI Hierarchy.

Workaround: Open the subVI icon editor from the subVI's front panel

Reported Version: 2014  Resolved Version: 2015  Added: 02/09/2016

Document last updated on 2/9/2016

Glossary of Terms

 

  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on ni.com.  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
  • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
  • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
  • Workaround - Possible ways to work around the problem.
  • Reported Version - The earliest version in which the issue was reported.
  • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
  • Date Added - The date the issue was added to the document (not the reported date).