Although Microsoft no longer hosts it, you can still find the utility on third-party software archives. If you must use it for a legacy system (like Windows XP or Vista), you can find it at: MajorGeeks
The Windows Installer CleanUp Utility (also known as MSICUU2.exe ) was designed to remove Windows Installer configuration information from a computer when a program's installation or uninstallation failed. download windows installer cleanup
However, Microsoft removed it from the Microsoft Download Center because it occasionally damaged other Windows components. It didn't actually uninstall programs; it just wiped their registry "memory," which often left the system in an unstable state. 2. Is it Still Possible to Download? Although Microsoft no longer hosts it, you can