Do not reinstall AutoCAD yet. Follow this tiered approach.
Compatibility bugs in older licensing versions are a frequent cause of Internal Error 2602. internal error 2602 autocad high quality
Isolate the drawing vs. program
Errors in this range (such as Error 260) are frequently linked to the . Uninstalling and reinstalling this specific component as an administrator is a high-success solution. Do not reinstall AutoCAD yet
Outdated graphics drivers or hardware that does not support modern requirements (e.g., DirectX 11/12), leading to failures when the software attempts to initialize high-quality geometry. Troubleshooting & Fixes 1. Verify System Compatibility internal error 2602 autocad high quality