Error 2602 Autocad - Internal

This alone fixes error 2602 for many users, especially those with Intel integrated graphics or older NVIDIA cards.

Before applying fixes, you must identify the root cause. Here are the six most common triggers:

Press Win + X > Event Viewer > Windows Logs > Application. Look for an “Application Error” with acad.exe . The exception code 0xc0000005 (Access Violation) alongside error 2602 confirms a memory read/write fault.

This article provides a deep dive into what Internal Error 2602 actually means, why it occurs, and—most importantly—how to fix it permanently.