What Is Windows Installer Folder?
The Windows Installer Cache, locatedinc:windowsinstaller folder, is used to storeimportantfiles for applications installed using the WindowsInstallertechnology and should not be deleted. Theinstaller cache isused to maintain (remove / update) theapplications and patchesinstalled on the machine.

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People also ask, 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.

Beside above, 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.

Then, 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.

Related Question Answers

Where is the Installer folder in Windows 10?

The Windows Installer Cache, locatedinc:windowsinstaller folder, is used to storeimportantfiles for applications installed using the WindowsInstallertechnology and should not be deleted. Theinstaller cache isused to maintain (remove / update) theapplications and patchesinstalled on the machine.

Is it OK to delete installer files?

Assuming you've run the set up to install theprogramsthey contained then yes, you can delete setupfilessafely. The programs will continue to workwithoutthem.
Chloe Bennett

Chloe Bennett

Culture, Media & Entertainment Columnist

Chloe Bennett explores the intersection of pop culture, streaming entertainment, digital trends, and contemporary lifestyle. Her weekly commentary reaches thousands of culture enthusiasts.