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The LabVIEW 2009 SP1 f5 patch resolves the following issue. The patch is strongly recommended for all LabVIEW 2009 installations on machines with 32 or more logical cores. This patch also contains all fixes from LabVIEW 2009 SP1 f3. If you are using a machine with 16 or more cores also consider installing the Math Kernel Library (MKL) Patch
Multi-thread load causes LabVIEW crash on 32 logical core machines.