Follow the on-screen prompts to check if the error is bypassed. 3. Temporarily Disable Antivirus and Windows Defender
: Ensure the folder is clear before proceeding.
Navigate to your specific AutoCAD version folder (e.g., AutoCAD 2024 or AutoCAD 2025 ). Open the folder. internal error 2602 autocad
First, let's decode the message. An "Internal Error" in AutoCAD means the software encountered a condition it was not programmed to handle. The number 2602 is a specific exception code pointing to a memory access violation.
Before diving into complex fixes, rule out simple permission conflicts. Follow the on-screen prompts to check if the
: This official tool from Microsoft is highly effective at fixing "Internal Error" codes that prevent software from updating properly. Advanced Solution: Re-register the Windows Installer
Select all files and folders in the temporary directory ( Ctrl + A ) and delete them ( Shift + Delete ). Skip any files that the system claims are currently in use. Restart your computer and launch the installer. Navigate to your specific AutoCAD version folder (e
Manually remove leftover registry keys for Autodesk product GUIDs (risky — back up registry first). Prefer Autodesk Cleaner tools.
Did this error happen during , uninstallation , or launch ? Share public link
If you see Error 2602 right now, follow these steps before trying complex repairs.
