Post 26 of 31 Share Report Re: "Fatal Error: Unhandled Access Violation Writing 0x0000 Exception at 0h Options Mark as New Bookmark Subscribe This problem is most probably caused by incompatibility of your graphics card driver. The solution has been published in the Autodesk Support Solutions. Please see the Autodesk Creative Commons FAQ for more information.

To reinstall AutoCAD correctly     On the Start menu (Windows), click Run (Windows 2000/XP) or StartSearch (Windows Vista).     Enter acsignopt, and then click OK.     Clear the Validate Digital Signatures Usually after the error Civil complains that it cannot continue and offers to attempt to save work. Note:The Workstation installer upgrades the OpenDCL library automatically, so you'll only need to complete the manual upgrade in the rare case that something goes wrong with the Workstation installer. I was able to fix the problem by setting the application defaults, but this lost all of my customizations I had before.

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