If the above steps do not resolve Internal Error 2602, try repairing or reinstalling AutoCAD.
How to Fix Internal Error 2602 in AutoCAD: A Complete Troubleshooting Guide
Most 2602 errors are caused by "ghost" registry keys from previous versions that refuse to leave. Download the Tool : Use the official Microsoft Install and Uninstall Troubleshooter
Follow these solutions in order, from the simplest and most common fixes to advanced system-level interventions. 1. Download AutoCAD Using "Download" or "Custom Install" internal error 2602 autocad
Visual processing conflicts between the AutoCAD hardware acceleration engine and the GPU driver.
: Press Win + R , type %temp% , and delete all files in the folder. A cluttered temp directory can interfere with the installer's ability to cache files.
is the industry standard for computer-aided design (CAD), but even its most robust versions (including AutoCAD 2025, 2024, and LT) are prone to cryptic errors. One of the most frustrating and least documented issues is the Internal Error 2602 . If the above steps do not resolve Internal
Always use the official Autodesk desktop app for updates.
If Error 2602 is caused by a corrupt registry key left behind by an older version of AutoCAD, standard uninstallation tools will not work.
To protect your files and minimize the risk of encountering Internal Error 2602 in the future, implement these regular CAD maintenance habits: A cluttered temp directory can interfere with the
Here are the most effective solutions, ordered from simplest to most advanced. 1. Run as Administrator The most common cause is restricted permissions. Right-click on the setup.exe file of the AutoCAD installer. Select . 2. Clean Temporary Files
Press Windows Key + R , type %temp% , and hit . Delete all files and folders within this directory (skip any files currently in use).