While often associated with third-party activation tools like Xforce Keygen, this error can stem from various system and software conflicts:
Instead of troubleshooting keygen errors, obtain a legitimate license: Xforce Keygen Autocad 2013 Error Access Violationl
If the above steps do not work, consider: Xforce Keygen Autocad 2013 Error Access Violationl
: Corrupted system files can cause access violation errors. You can use the System File Checker (SFC) tool in Windows to repair them: Xforce Keygen Autocad 2013 Error Access Violationl
This is the most frequent cause. Without administrator privileges, the keygen cannot modify the AutoCAD registry or system files. Right-click the file. Select "Run as administrator."