Sometimes the core AutoCAD executables (.EXE and .DLL files) are damaged.
If the above steps do not resolve Internal Error 2602, try repairing or reinstalling AutoCAD. internal error 2602 autocad
of all Autodesk products and their shared components before attempting a fresh installation. Autodesk Community, Autodesk Forums, Autodesk Forum of the specific files often associated with this error, or help with a different AutoCAD issue Solution: Fatal error when launching AutoCAD | Symetri.ie Sometimes the core AutoCAD executables (