If the error happens during the "Preparing for installation" phase, the licensing service may be corrupted.
Press Win + R , type %temp% , and press Enter. Delete all files in this folder.
Regularly applying official Autodesk service packs helps maintain compatibility with Windows updates.
This is the most effective solution for Error 2602 related to installations. internal error 2602 autocad high quality
Temporarily disable your antivirus software (e.g., Windows Defender, McAfee). Run the installation again. Remember to re-enable your antivirus afterward. 4. Perform a Clean Uninstall/Reinstall
If your current driver is certified but the error persists, try turning off temporarily by typing GRAPHICSCONFIG in the AutoCAD command line. 4. Clear Graphics Cache
▶ Run AUDIT now? [Yes] [No] ▶ Open drawing? [Yes] [No] If the error happens during the "Preparing for
C:\Program Files (x86)\Common Files\Autodesk Shared\AdskLicensing .
Once Elias clears these permission hurdles, the "Internal Error 2602" vanishes as quickly as it appeared, allowing him to return to his high-quality designs. The install couldn't finish. Error 260" when ... - Autodesk
Open Windows File Explorer and clear the default temporary directory by typing %TEMP% into the address bar and deleting all contents. Run the installation again
Delete the following folder: %localappdata%\Autodesk\AutoCAD 20xx .
Compatibility bugs in older licensing versions are a frequent cause of Internal Error 2602.
Understanding the root cause is half the battle. This error is rarely a fault in the drawing file itself, but rather with the AutoCAD environment or installer.
: Leftover file fragments from interrupted updates or a corrupted Autodesk On-Demand Installation Service (ODIS) platform block clean package extraction.