weird folders on root drive

Posted on 2011-10-07
Last Modified: 2012-08-13
I was cleaning up my computer for more space on the hdd, and on the root folder I have severl weird folders, I believe they are from windows update the names are for example:
 inside there is an file named spinstall and a folder with a weird name sucha as the ones in the example above. the folders are over 1GB each and have the same content. what are they? can I delete them?
Im running windows 7 Ultimate

Many thanks
Question by:Diego_Jaen
    LVL 5

    Assisted Solution

    You may not be able to uninstall updates, but otherwise safe to delete
    LVL 11

    Assisted Solution

    safe to delete
    LVL 18

    Accepted Solution

    The folders with a long string of strange letters are usually updates that are installed such as service packs, they can be safely deleted if the service pack has been successfully installed. Beware that if you deleted a windows update folder, and wanted to go back to a restore point if that folder is missing it may prevent your system from going back to a previous restore point. Other than that it is pretty safe to delete the folders.
    LVL 5

    Assisted Solution

    Basically they are the temp folders used during a patch update and can be deleted.  Usually little space used by them though if the patch installed correctly.

    Author Comment

    thanks to all of you, you have been very helpful, indeed the service pack 1 has never been successfully installed though it has been attempted many many many times. I have deleted  the  folders now, got 10GB of space back.

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