Python Crash

[JamesHood]

I've got a script that crashes python when trying to run the following tool

arcpy.MakeQueryTable_management

Running in IDLE, Arcmap 10.1, windows 7
The crash is intermittent, maybe 50% of the time.


Here is the error that comes up:

python.exe has stopped working

Description:
  Stopped working

Problem signature:
  Problem Event Name: APPCRASH
  Application Name: pythonw.exe
  Application Version: 0.0.0.0
  Application Timestamp: 4df4b9cc
  Fault Module Name: GPCoreFunctions.dll
  Fault Module Version: 10.1.0.3035
  Fault Module Timestamp: 4f9203bd
  Exception Code: c0000005
  Exception Offset: 002f35ba
  OS Version: 6.1.7601.2.1.0.256.48
  Locale ID: 1033

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Thoughts?