If you see this unplanned exit (crash) from your Autodesk software like AutoCAD, this issue and is not really related to the AutoCAD, but rather the external dependency on Microsoft’s .Net and the Operating System. The solution has been published in the Autodesk Support Solutions. http://autode.sk/15441ph Solution Fatal errors usually indicate a program corruption or a corruption with something in the operating system. There are several ways to address the problem. Reset the program: Click the Windows Start button. Click All Programs. Open the Autodesk folder. Open the AutoCAD Folder. Click Reset Settings to Default. Test the program. Rebuild the user profile in Windows. Fix a corrupted user profile Uninstall and reinstall .NET. Uninstall .NET using the Control Panel and install the same version from Microsoft. Clear the digital signatures and then uninstall and reinstall the application. See: FATAL ERROR: Unhandled Access Violation Reading 0x0000 Exception at 4048b9h Turn off Hardware Acceleration: Right-click the icon on your desktop. Click Properties. Access the Shortcut tab. In the Target field, after *.exe", type a space and enter /NOHARDWARE Example: Before "C:\Program Files\Autodesk\AutoCAD 2014\acad.exe"  /product ACAD /language "en-US After "C:\Program Files\Autodesk\AutoCAD 2014\acad.exe"  /NOHARDWARE /product ACAD /language "en-US Click OK and retest. If this works, remove the /NOHARDWARE switch and update your graphics driver. In most cases an updated driver works. In some cases, if an updated driver does not work, leave the /NOHARDWARE switch in place. Update the drivers for the video card. Find Recommended Hardware.Go to the original post...