Autocad Fatal Error Unhandled Access Violation Reading 0x0008 Exception May 2026

If you are using AutoCAD Vertical products (Civil 3D, Electrical, Map 3D), this error often appears when switching between the "Drafting & Annotation" workspace and a specialized workspace. Always run the "Reset" function specific to your vertical product first.

If the problem persists after all 7 steps, you likely have a failing RAM stick. Run Windows Memory Diagnostic ( mdsched.exe ) to rule out physical hardware failure. If you are using AutoCAD Vertical products (Civil

The error code 0x0008 indicates that AutoCAD attempted to read a memory address it did not have permission to access. This is rarely a hardware problem; it is almost always related to a If you are using AutoCAD Vertical products (Civil