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   FATAL ERROR: Unhandled Access Violation Reading 0x0f6c Exception at 47c0b2h

I have three users that are working on a project in AutoCAD Civil 3D 2011 which has started resulting in Fatal Error messages. All of them are seeing the same error messages (just with the number portions changing) doing a variety of tasks. The machines are a mix of Windows XP SP3 (32Bit - 4GB of Memory) and Windows 7 Pro SP1 (64Bit - 8GB of Memory) using a mapped drive location on a Windows 2008 R2 server (64Bit - Dual Quad Core - 8GB of Memory) with a gigabit network.

Usually after the error Civil complains that it cannot continue and offers to attempt to save work. After clicking yes the application closes.

Any help or insight on this matter would be greatly appreciated!

Thanks,
Jason

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jdobbs Members Profile Find Members Posts Visit Members Homepage Newbie Joined: 23.May.2012 Location: United States Using: AutoCADCivil3D2011 Status: Offline Points: 2	Post Options Post Reply Quote jdobbs Report Post Thanks(0) Quote Reply Topic: FATAL ERROR: Unhandled Access Violation Posted: 23.May.2012 at 00:10
	FATAL ERROR: Unhandled Access Violation Reading 0x0f6c Exception at 47c0b2h I have three users that are working on a project in AutoCAD Civil 3D 2011 which has started resulting in Fatal Error messages. All of them are seeing the same error messages (just with the number portions changing) doing a variety of tasks. The machines are a mix of Windows XP SP3 (32Bit - 4GB of Memory) and Windows 7 Pro SP1 (64Bit - 8GB of Memory) using a mapped drive location on a Windows 2008 R2 server (64Bit - Dual Quad Core - 8GB of Memory) with a gigabit network. Usually after the error Civil complains that it cannot continue and offers to attempt to save work. After clicking yes the application closes. Any help or insight on this matter would be greatly appreciated! Thanks, Jason

heinsite Members Profile Find Members Posts Senior Member Joined: 05.Feb.2009 Location: United States Using: AutoCAD 2014 Status: Offline Points: 506	Post Options Post Reply Quote heinsite Report Post Thanks(0) Quote Reply Posted: 23.May.2012 at 04:19
	The place to begin is with an AUDIT of the file and go from there. Dave.
	Dave Hein, P.E. Hawaii District Engineer Kona International Airport AutoCAD 2013 Certified Professional Autodesk Expert Elite

jdobbs Members Profile Find Members Posts Visit Members Homepage Newbie Joined: 23.May.2012 Location: United States Using: AutoCADCivil3D2011 Status: Offline Points: 2	Post Options Post Reply Quote jdobbs Report Post Thanks(0) Quote Reply Posted: 23.May.2012 at 17:35
	Dave Thanks for the reply. I'm not the end user, but I've spoken with them and they're ran the audit command on several of files and seem to be fine.

Narada Members Profile Find Members Posts Newbie Joined: 12.Oct.2012 Location: United States Using: AutoCad 2007 Status: Offline Points: 1	Post Options Post Reply Quote Narada Report Post Thanks(0) Quote Reply Posted: 12.Oct.2012 at 19:04
	This is a Windows Vista, Windows 7 security issue. Go to Advanced System Properties and disable the DEP( Data Execution Prevention ) only for Autocad. Narada

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FATAL ERROR: Unhandled Access Violation