Your antivirus may even need to be uninstalled. Additionally, some antivirus or desktop locking programs can cause errors in AutoCAD as they lock the system environment from working. If you have this installed on your system, try uninstalling it and then see if this resolves the issue. Note: A fatal error can be caused by DisplayLink Core software. Install the latest driver from your video card manufacturer or use an AutoCAD-certified driver (see How to update your system to the latest certified video driver).

Turn off Hardware Acceleration (see Starting AutoCAD-based products without hardware video acceleration).

Clear the digital signature icons and then uninstall and reinstall the application (see FATAL ERROR: Unhandled Access Violation Reading 0x0000 Exception at 4048b9h).

Uninstall and reinstall Visual C++ (see How to remove and reinstall Microsoft Visual C++ Runtime Libraries).

NET Framework (see How to remove and reinstall the Microsoft.

Rebuild the user profile in Windows (see Fix a corrupted user profile).

Reset AutoCAD to defaults (see How to reset AutoCAD to defaults).There are several ways to address the problem: While in the process of starting AutoCAD, a Fatal Error occurs.įatal errors usually indicate program corruption or a corruption somewhere within the operating system. Applies to AutoCAD 2009, AutoCAD 2010, AutoCAD 2011, AutoCAD 2012, AutoCAD 2013, AutoCAD 2014, AutoCAD 2015, AutoCAD Architecture 2009, AutoCAD Architecture 2010, AutoCAD Architecture 2011, AutoCAD Architecture 2012, AutoCAD Architecture 2013, AutoCAD Architecture 2014, AutoCAD Architecture 2015, AutoCAD Civil 3D 2009.

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