Corrupted prerequisites are a common cause of installer failures.

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

Press Windows Key + X and select or Terminal (Admin) .

When Autodesk’s setup engine tries to extract, copy, or verify a file that it expects to be listed in its master manifest—but finds it missing or corrupted—it triggers Error 2602 and terminates the setup. Common Causes of Error 2602

To unregister the installer, type the following command and press : msiexec /unreg Use code with caution.

If you are an IT administrator managing a network deployment and encounter error 2602, especially after customizing the image with additional files, you have likely corrupted the deployment. In many cases, a corrupted deployment cannot be repaired and must be recreated from scratch. A reliable workaround is to keep the deployment image as standard ("stock") as possible and use a post-processing script (e.g., a .bat or .vbs file) to add any extra files or run additional configurations after the main installation completes.

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

Internal Error 2602 in AutoCAD typically occurs during installation or while applying updates. This error is often linked to , issues with the .NET Framework , or insufficient user permissions .

If the package consists of multiple parts (e.g., Part 1 and Part 2), ensure all parts are completely downloaded to the same folder before running the executable. 2. Run the Microsoft Install and Uninstall Troubleshooter

If the Windows Installer database engine is malfunctioning, unregistering and re-registering it can reset its state.

Once downloaded, right-click the first file and select . Method 3: Clear Temporary Windows Files

: After downloading, right-click the file, go to Properties , and check Unblock if it’s blocked by Windows. Then, run the installer. Restart the AutoCAD install : Run your setup file again. Alternative Troubleshooting Steps

The primary structural trigger behind a standard Windows Installer 2602 error is an invalid file structural mapping inside the .msi or .msp package. This happens when a software update's file sequence layout references data blocks outside the boundaries specified in the media volume table. 2. Corrupted On-Demand Install Service (ODIS)

Use the official (found in your Windows Start menu under the Autodesk folder) to remove existing products.

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