For issues, visit [Microsoft Support / Archive link]
After execution, you will see: "Pre-clean completed successfully. Reboot recommended." microsoft visual studio 2012 pre clean tool download upd
It detected and uninstalled pre-release components, SDKs, and dependencies. For issues, visit [Microsoft Support / Archive link]
Corrupted registry keys under HKLM\SOFTWARE\Microsoft\VisualStudio\11.0 Solution: Manually add the missing InstallDir string value pointing to your VS2012 root. microsoft visual studio 2012 pre clean tool download upd
Since Microsoft never released an official cleaner, the community stepped in. Here are the legitimate, safe-to-use resources: