Download the official Microsoft Program Install and Uninstall Troubleshooter. Run the tool and check for any hidden, orphaned Autodesk registry remnants to clear them.
: If the issue persists, conduct a clean uninstall of any previous AutoCAD versions. You can use the Microsoft Program Install and Uninstall troubleshooter to ensure all registry keys are cleared before retrying. Check System Variables : For advanced users, the term env.ACADRELEASENAME autodesk autocad --env.acad release name-
(env.VariableName)` in installation scripts—to identify which version is present on a system. Marketing vs. Technical Release Names autodesk autocad --env.acad release name-