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AutoCAD Mechanical 2011: Exception in ACVMTOOLS.ARX

Recently, I had a customer with a qualified laptop running the Inventor 2011 Suite. Autodesk Inventor was working but AutoCAD Mechanical was not working.  The error was:  

  • Exception in ACVMTOOLS.ARX. Unhandled exception c0000005 (Access violation reading 0xd900fa08)@69a32c8fh

The specifications of the laptop are below:

  • Lenovo W510 laptop
  • Windows 7 x64 
  • NVIDIA Quadro FX 880M v8.16.11.8825 (current driver on our list)

You will need to uninstall the Lenovo USB port replicator software and AutoCAD Mechanical should function properly:

I would like to thank Vicki Hill for sharing this tip.



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