: Tools like Bulk Crap Uninstaller can help remove all traces of Dassault Systèmes and SolidWorks from the registry.
: Security software often flags licensing tools (like the SolidSquad activator) as false positives, deleting critical files during extraction.
Find any .html or .exe files (specifically in the sldim sub-folder).
: Use the Microsoft Program Install and Uninstall Troubleshooter to find and remove unlisted SolidWorks components. 3. Unblock Installation Files
Manual uninstalls often leave behind hidden folders that conflict with new installations.
If you are using a licensing tool and encountered Error 6, your antivirus likely deleted a file called netapi32.dll or similar activation components.
: Failed previous installations or incomplete uninstalls leave "junk" entries in the Windows Registry, preventing the new installation from configuring correctly.