New
#101
Microsoft themselves even say to not use one. The amount cleaned is a tiny % of the overall size so there defenitly is no performance improvement from it and the risk of breaking is higher than the risk of fixing anything.
Sometimes that "garbage" is left deliberatly so if you reinstall, the settings are remembered.
The best thing is to not be constantly installing and removing programs.
https://support.microsoft.com/en-us/...1-7b0fd54e8b3a