Autocad 2012 Installation Site

| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | Corrupt Windows Installer registry | Run regedit , navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders , ensure "Common Programs" path exists. | | .NET Framework installation failed | .NET 3.5 not enabled in Windows features | Go to Control Panel > Programs > Turn Windows features on/off > enable .NET 3.5 (requires internet). | | Error 1935: An error occurred during installation of assembly | Corrupt VC++ runtimes | Use the Microsoft "Program Install and Uninstall" troubleshooter to remove all VC++ runtimes, then reinstall them fresh before running AutoCAD setup. | | Fatal Error: Unhandled Access Violation on startup | Graphics driver conflict | Boot Windows into Safe Mode (with networking), uninstall your display driver, then install the latest manufacturer driver (Intel, NVIDIA, or AMD) from scratch. | | Installation hangs at 99% | Windows Defender real-time scanning | Open Task Manager, kill any MSMPENG.exe processes, then wait 10 minutes. It will complete. |

Proper preparation can prevent the most common installation failures. AutoCAD 2012 - JTB World autocad 2012 installation

Even with perfect preparation, you might hit these errors: | Error Message | Likely Cause | Solution