Cause: Corrupted registry keys under HKLM\SOFTWARE\Microsoft\VisualStudio\11.0
Solution: Manually add the missing InstallDir string value pointing to your VS2012 root.
Cause: Missing VC++ redistributable runtime.
Solution: Install Microsoft Visual C++ 2012 Redistributable (x86 and x64) before running the Pre-Clean Tool. microsoft visual studio 2012 pre clean tool download upd
| Update Level | Release Date | Key Improvements | |--------------|--------------|------------------| | RTM (no update) | Aug 2012 | Basic cleanup for core VS2012 files | | Update 1 | Nov 2012 | Fixed registry key removal errors | | Update 2 | Jan 2013 | Added support for Windows 8.1 SDK cleanup | | Update 3 | June 2013 | Improved MEF cache reset | | Update 4 | Nov 2013 | Resolved false positives on build servers | | Update 5 (latest) | Aug 2015 | Full compatibility with Windows 10; final version | Recommendation: Always download the Update 5 (upd5) version
Recommendation: Always download the Update 5 (upd5) version of the Pre-Clean Tool, as it contains fixes for all known issues. Users often search for "upd" because they are
Users often search for "upd" because they are trying to update Visual Studio 2012 to Update 4 (the final version).