Delete all files and folders inside this directory (skip any files currently in use).
Find your AutoCAD folder and select . Summary Table Recommended Action Installation Use "Browser Download" instead of "Install Now" Autodesk Forums Graphics Update to certified drivers via Autodesk Support Autodesk Support Permissions Run installer as Administrator and disable Antivirus Autodesk Support
Often, installer errors like 2602 are actually caused by a hung licensing component. Uninstall the Autodesk Desktop Licensing Service Download and reinstall the latest version from the official Autodesk support site. GstarCAD UK 5. Perform a Clean Reinstall If the above steps fail, you may need a "Clean Uninstall": Uninstall AutoCAD and delete the remaining folders in C:\Program Files\Autodesk C:\Users\%username%\AppData\Local\Autodesk Cleanly reinstall the application using a fresh download from your Autodesk Account
Comprehensive Guide to Fixing Internal Error 2602 in AutoCAD: Causes & High-Quality Solutions internal error 2602 autocad high quality
A primary driver behind installation failures or unexpected internal errors is a broken background licensing module.
Open Windows File Explorer and navigate to: C:\Program Files (x86)\Common Files\Autodesk Shared\AdskLicensing
Document version 1.0 – Last updated: Based on Autodesk error code mapping and real-world field data from enterprise CAD support. Delete all files and folders inside this directory
Internal Error 2602 typically manifests during an update or deployment process, often accompanied by a message referencing a specific DLL file (e.g., __gGeometry.dll... ) or a registry key, as seen in this Autodesk Community post.
Download the from the official Microsoft support website. Launch the downloaded tool.
Open a blank AutoCAD session. Type RECOVER in the command line, press Enter, and select the problematic .dwg file. AutoCAD will audit the database and attempt to repair structural errors. Open Windows File Explorer and navigate to: C:\Program
Windows preventing the installer from writing to the system registry or temporary folders. Conflicting Processes:
If the previous update failed, remnants of that failed installation might be causing the 2602 error.