Using the "Install Now" or "Web Installer" option, which often fails due to simultaneous downloading and installing.
Internal Error 2602 in AutoCAD is a generic application-level fault that often signals corruption, missing/failed runtime components, or issues with downloaded/installed updates. It can appear during startup, while opening/saving drawings, or when invoking specific commands. The fix depends on the root cause; follow the steps below in order. internal error 2602 autocad high quality