Thursday, June 14, 2012

AutoCAD Architecture 2013 FATAL ERROR: Unhandled e0434352h Exception at 75c7d36fh

I got this error when trying to copy text from the command line in AutoCAD Architecture 2013. Same problem using paste to command line. I could reproduce it several times but not on another computer. A restart of the computer did help for some reason.

AutoCAD Error Aborting: FATAL ERROR:  Unhandled e0434352h Exception at 75c7d36fh

Unfortunately the problem with acad.exe The application was unable to start correctly (0xc0000043) is not solved and reinstalling have not helped.


  1. Just a guess, but try running the Windows Memory Diagnostic test. Those error codes are rubbish and just marks the area in the memory where the error occurred. Since you cannot replicate the error on another machine and you were actively copy/pasting data from the clipboard, it sounds like a memory glitch. The reboot only resets the machine and Windows will possibly assign a different part of memory to handle the clipboard.

  2. I recently saw fatal errors when trying to launch AutoCAD (MEP) 2013, and re-installing did not help. My issue was I recently installed a tool to disable infocenter (, but also was trying to use the new AutoDesk 360 to sync settings online. Killing all the AutoCAD and/or AutoDesk 360/Sync programs running in the background (or just restarting), then uninstalling the infocenter tool let me back into AutoCAD.

  3. When i open auto cad 2013 its showing Fatal Error: Unhandled Access Violation Reading 0x70d94900 Exception at fb8a7664h

    1. Try install the latest Service Pack 2 for AutoCAD 2013. Has it worked before or is it showing error right after installation? What Windows version is it?

    2. What about the other questions?


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