Internal Error 2602 Autocad ((new)) Today

How to Fix Internal Error 2602 in AutoCAD: A Complete Troubleshooting Guide

Look for AutoCAD or any Autodesk entries in the list. If you do not see them, select .

Click the dropdown menu next to "Install" and select instead.

Use the Microsoft Troubleshooter (from Step 2) to ensure no phantom Autodesk keys remain.

AutoCAD Internal Error 2602 is almost always caused by a broken or manipulated installer database. Downloading a complete installer via the "Download" or "Custom Install" method—while ensuring your antivirus doesn't disrupt file extraction—resolves the error in the vast majority of cases.

If you want, I can write a printable one‑page rescue checklist you can pin by your workstation or create a short AutoLISP script to automate RECOVER → AUDIT → PURGE steps for your workflow. Which would you prefer?

Missing or damaged payload files in the installer package.

Move the slider all the way down to and click OK . Try installing AutoCAD again.

The 2602 error is heavily tied to the Windows Installer framework rather than a glitch in your actual CAD drawing files. The most common triggers include:

Using the standard browser download tool can sometimes result in dropped packets and corrupt installer packages. Close all Autodesk-related processes. Sign into your portal.

, and delete all files in that folder. This clears out cached installer logic that might be corrupted. Run as Administrator Right-click the file within your downloaded AutoCAD folder and select Run as Administrator Re-register the Windows Installer