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  1. #1
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    Is it safe to delete non-critical files used by Windows Defender in Disk Cleanup?

    Computer: Gateway SX2110G Windows 8.1 (x64) desktop
    Disk cleanup has non-critical files used by Windows Defender that I could check in to delete.
    Is it safe to delete them?

  2. #2
    jwoods
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    If Disk Cleanup is offering to delete them, it's safe.

  3. The Following 2 Users Say Thank You to jwoods For This Useful Post:

    cmptrgy (2015-11-12),Fascist Nation (2015-11-19)

  4. #3
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    After having noticed the option stated in my original post I exited from Disk Cleanup without cleaning out that option
    I manually ran a scan and there weren't any issues: shut down and started back up.

    After reading your response I went back into Disk Cleanup to verify the exact wording and I was expecting to go ahead and delete it but the option mysteriously wasn't there anymore.

  5. #4
    jwoods
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    In a Run box, type cleanmgr /sageset:99

    Click on Clean up system files, and you'll see an expanded list of Disk Cleanup items.

    Since I personally don't use Windows Defender, I didn't see an entry on my system.

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    cmptrgy (2015-11-12)

  7. #5
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    I use a batch file to run my Disk Cleanup and you are right, there is an expanded list of Disk Cleanup items and that's why I like doing it that way. I don't recall seeing the option I mentioned before. Its description seemed to me it would have been ok to delete it right away. BTW when I did the manual scan I did an update first and maybe that was involved in how the non-critical files used by Windows Defender "mysteriously" fixed itself. Thanks for your responses.

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