Internal Error 2602 Autocad !exclusive!

If the error persists, the Windows Installer service itself might be "stuck." Open Command Prompt as Admin and run: msiexec /unreg msiexec /regserver to remove those pesky residual files?

Follow these systematic troubleshooting methods to clear the blockages causing the installer to fail. 1. Clear the System %TEMP% Directory

If the above steps do not resolve Internal Error 2602, try repairing or reinstalling AutoCAD.

: Outdated .NET Framework versions or insufficient disk space can block the installation from completing. internal error 2602 autocad

Ensure you are logged into a Windows account with full administrative privileges. Right-click the AutoCAD installer or update file and select to bypass restricted folder permissions. 2. Update Microsoft .NET Framework

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

Unlike standard drawing crashes (like a fatal error), Error 2602 points to a failure in the environment surrounding AutoCAD rather than a corrupt .dwg file. Common Triggers If the error persists, the Windows Installer service

Troubleshooting AutoCAD Internal Error 2602: Causes and Proven Fixes

If the core application files are profoundly corrupted, a clean uninstallation is required.

in AutoCAD typically occurs during installation or update processes, often triggered by a failure to copy or access specific internal system files (such as __gGeometry.dll ) from a network installation point. It is a standard Windows Installer (MSI) error indicating that a required file cannot be found in the specified cabinet or installation source. Common Causes Clear the System %TEMP% Directory If the above

If you have installed third-party add-ons (like specific piping tools, plotting utilities, or legacy LISP routines), they load automatically when AutoCAD starts. If one of these scripts tries to access a memory block that is protected or already in use, Error 2602 can occur.

Uninstall all Autodesk products, starting with smaller plug-ins and material libraries, followed by the core AutoCAD application, and ending with and the Autodesk Genuine Service .

Navigate to the following path: C:\Program Files\Autodesk\AdODIS\V1 .

To protect your files and minimize the risk of encountering Internal Error 2602 in the future, implement these regular CAD maintenance habits: