: Incompatible or outdated video drivers often trigger "Debug Assertion Failed" or fatal errors. Use official certified drivers whenever possible. Verify Microsoft C++ Runtimes
: Temporarily disable your antivirus or firewall to see if it is blocking the process. i autocad debug error acngenexe full
: Navigate to HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution in the Registry Editor ( regedit ). Look for AutoCAD-related entries (like acad.exe or acngenexe ) and delete any "Debugger" keys set to "Blocked". : Incompatible or outdated video drivers often trigger