Windwos\winsxs folder used over 10GB disk space
Problem reported by Greg C. - June 19, 2015 at 7:41 PM
Employee Post
We need to clear winsxs folder, Here is a related help link
a. Click on start and type cmd in the search bar and right click on cmd.exe in the search pane and click Run as administrator.
n. Navigate to folder C:\Windows\Winsxs
c. Run this command:
   Net stop trustedinstaller
NOTE: Wait for this service to stop and ensure it stops successfully. If you are unable to stop the service, you must restart your machine. Do not attempt the next step if you are unable to stop the trustedinstaller service.
d. Then execute these commands:
   Takeown /f %windir%\winsxs\*

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