Internal Error 2602 Autocad May 2026

| Cause | Explanation | |-------|-------------| | Corrupt drawing file | Most common — damaged database objects (dictionary, orphaned entities) | | Corrupt or missing font | Shape file (.shx) or TrueType font issues | | Third-party add-on | Custom ARX/LISP/VBA crashing AutoCAD’s internal structure | | Registry corruption | AutoCAD installation or profile keys damaged | | Permission problem | Cannot write to temp folder or drawing location | | Hardware acceleration | Graphics driver or DirectX conflicts | | Profile/Workspace corruption | Corrupt .aws or .arg file |

Sometimes the Windows user profile itself has permission issues preventing AutoCAD from writing temp files.

Method A: Via the Windows Start Menu (Preferred) internal error 2602 autocad

Method B: Via the App Manager

To prevent Error 2602 from returning:

AutoCAD is the industry standard for computer-aided design (CAD), but even its most robust versions (including AutoCAD 2025, 2024, and LT) are prone to cryptic errors. One of the most frustrating and least documented issues is the Internal Error 2602.

If you have ever been in the middle of a critical deadline and suddenly seen the message: "Internal Error 2602. \nUnhandled Access Violation Reading 0x0000 Exception at 7bc3a98h" – you know the panic. This error typically causes an immediate crash, loss of unsaved work, and corruption of your drawing file. | Cause | Explanation | |-------|-------------| | Corrupt

This long-form guide explains exactly what Internal Error 2602 is, why it happens, and step-by-step solutions to fix it for good.