Asked by: Nahid Gosalveztechnology and computing antivirus software
What is Windows Installer folder?
Last Updated: 8th June, 2020
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Similarly, can delete Windows Installer folder?
A: No! The C:WindowsInstaller folderisused by the OS and should never be changed directly. If you wanttoremove applications, use the Control Panel ProgramsandFeatures to uninstall them. It is also possible to run DiskCleanup(cleanmgr.exe) in elevated mode to help free upspace.
Additionally, where is the Windows Installer folder? These installed MSI files are stored inthe<drive>:<WINDIR>Installer folder ontheNotification Server. This location is a hiddensystemfolder. You can open Windows Explorer andenter"windowsinstaller" in the address bar, assumingthedefault path, to go immediately tothatdirectory.
Furthermore, is it safe to delete Windows Installer patch files?
Only files intheC:WindowsInstaller$PatchCache$ directory, calledthebaseline cache, are safe to delete. While clearingthebaseline cache is safe, if you ever want to uninstallapatch in the future, you'll need to download thespecificpatch's installer file.
Can I delete the Windows WinSxS folder?
You can't just delete everything intheWinSxS folder, because some of those files are neededforWindows to run and update reliably. However,withWindows 7 and above you can use the built-inDiskCleanup tool to delete older versionsofWindows updates you no longer need.