2602 Autocad: Internal Error

Scroll down to find the folder matching your version. Click on Reset Settings to Default .

: Run the Microsoft Program Install and Uninstall Troubleshooter (Fix-It tool) to clear registry keys that might be blocking the installation.

is a specific Windows Installer error that typically occurs during the installation or updating of AutoCAD , particularly versions like AutoCAD 2019. It indicates that the installer cannot find a specific file or reference within its database while trying to register a component . Common Causes

Look through the list for installations (specifically years 2015 through the latest version). Select each package, click Change , and choose Repair . internal error 2602 autocad

Check Event Viewer (Windows Logs → Application) at the time of failure for MSI or .NET errors.

To help isolate the exact trigger for your setup, let me know:

Issues with the Autodesk Desktop Licensing Service can block the installer from finalizing. Scroll down to find the folder matching your version

Open your antivirus software dashboard and locate the toggle. Turn off your antivirus and Windows Defender Antivirus . Run the AutoCAD installer as an administrator.

For designers and engineers who encounter "Internal Error 2602" while working on a drawing, the cause is likely file corruption or a local configuration problem.

Corruption in your current Windows user profile can cause this error. Create a new Windows user with Administrative rights and attempt the installation from that account. Perform a Clean Reinstall is a specific Windows Installer error that typically

Navigate to your product page and find your version of AutoCAD.

Overzealous security software can flag the installer's background database inquiries as suspicious behavior, triggering Error 2602.