Autocad 2011 systemfehler unhandled access violation reading

I have searched the knowledge base and Autodesk forums extensively for a solution and have found nothing. I submitted a detailed report to Autodesk with this same information and am awaiting a response there also.

You might try renaming your backup file to dwg and then try to open that. I would make a copy of your bak. It prompted me to cancel the open due to errors and run the Recovery I elected not to do so since every attempt at recovery has failed so far. I then saved the drawing file and closed it. Tried to repeat the above process and it failed again.

It may just be that the file is corrupted beyond repair, but hopefully there's a solution out there.

This has worked for me on occasion. Same result as renaming the. I was able to get in once and it still asked to Recover the drawing due to errors. What I ended up doing was to open the drawing in , copy everything in Model space from 0,0,0 and paste into a new drawing in , then simply re-create the viewport s. When you want to duplicate a layout in another drawing, right click on the layout tab in the destination drawing and create a new tab 'From a Template' and you can then select the source drawing and the exact layout tab you want to import.

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Causes: This error is commonly caused when: LAN settings are incorrect. Windows or AutoCAD updates haven't been installed. AutoCAD drawing files are damaged. Invalid access permissions to AutoCAD files and folders. AutoCAD settings require reconfiguration. Third-party software conflicts with AutoCAD. Graphics card video drivers require updates. Windows settings require configuration. AutoCAD is improperly installed.