Windows 8 and 8.1 Forums


Can't delete windows.old folder. [Major help]

  1. #1


    Posts : 2
    Windows 8

    Can't delete windows.old folder. [Major help]


    I took off the TrustedInstaller ownership but when I add the ownership to my own account everytime I try to delete it keeps asking me I need permission from my own self to delete it. Which makes no sense at all. The ownership is also set to SYSTEM and user/Pentrazemine not just Pentrazemine/Administrator.

    Anyway to fix this? It's asking me for my own permission and I still can't manage to delete it. It's taking alot of space off of my harddrive - very annoying.

      My System SpecsSystem Spec

  2. #2


    Posts : 22,582
    64-bit Windows 10


    Hello Pentrzemine,

    You might see if using one or more of the options in the tutorial below will delete the Windows.old folder for you.

    Windows.old Folder - Delete in Windows 8

    Hope this helps,
    Shawn
      My System SpecsSystem Spec

  3. #3


    Quote Originally Posted by Pentrazemine View Post
    I took off the TrustedInstaller ownership but when I add the ownership to my own account everytime I try to delete it keeps asking me I need permission from my own self to delete it. Which makes no sense at all. The ownership is also set to SYSTEM and user/Pentrazemine not just Pentrazemine/Administrator.

    Anyway to fix this? It's asking me for my own permission and I still can't manage to delete it. It's taking alot of space off of my harddrive - very annoying.
    i had same problem ,,, until i read this - win 8 disk cleanup
      My System SpecsSystem Spec

  4. #4


    bluemoon, that only applies to old Windows Updates, not to the windows.old folder. How did it help you?
      My System SpecsSystem Spec

  5. #5


    Pacific NW
    Posts : 9
    Windows 8 Pro


    I had a problem deleting Windows.old when I upgraded to Win8. It turned out there was a "DRM" file that refused to be deleted buried deep in the folder, probably installed with one of my computer games. I don't recall which one, I'm not at my home desktop, but I was able to delete it after googling a solution.
    Also, I've found it more effective to delete the Windows.old file by using the disk cleanup tool rather than just doing a quick-and-dirty delete, but I don't know why that is so.
      My System SpecsSystem Spec

  6. #6


    Quote Originally Posted by Ztruker View Post
    bluemoon, that only applies to old Windows Updates, not to the windows.old folder. How did it help you?
    yes it applies to windows.old too. Just run the program described here ... Windows.old Folder - Delete in Windows 8 and select to remove previous installations, as they are stored in the .old folders.

    Run C:\Windows\System32\cleanmgr.exe then follow the instructions in example 1
      My System SpecsSystem Spec

Can't delete windows.old folder. [Major help]
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