Windows 8 and 8.1 Forums


User Profile Service failed the sign-in - Fix in Windows 8

  1. #40


    Posts : 11
    windows 8


    Ok I went through the steps again and created the bootable USB but it's still saying media inserted is not valid.

      My System SpecsSystem Spec

  2. #41


    Posts : 22,581
    64-bit Windows 10


    Looks like you'll need to boot from it to do a clean install instead.

    Clean Install - Windows 8
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  3. #42


    Posts : 11
    windows 8


    You have really helped me a lot...this computer had all of my files for work and I can now access them with your help. I am backing up all of my files right now in case something happens in the future. Thanks a bunch!!!! 😊
      My System SpecsSystem Spec

  4. #43


    Posts : 22,581
    64-bit Windows 10


    You're most welcome. I'm glad to hear that everything is ok now.
      My System SpecsSystem Spec

  5. #44


    Hello all,
    I have an end user getting the same error; I have fixed the issue many times on other machines with the stated fix unfortunately this time on this particular machine, there is no SID with .bak; just the users normal SID. Any assistance would be greatly appreciated.

    Windows 8 v1.12
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  6. #45


    Posts : 22,581
    64-bit Windows 10


    Hello dkesling, and welcome to Eight Forums.

    If you like, you could try Option Two in the tutorial to delete the account's user profile to have it recreated the next time the account is signed in to.
      My System SpecsSystem Spec

  7. #46


    Posts : 3
    Windows 8


    hi, just wanted to say that i have this problem as well, but noticed that this is because there is no SID key in the profile list both for my account and the in biult admin account i just activated only the 18 19 and 20 are visible, any suggestions?
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  8. #47


    Posts : 22,581
    64-bit Windows 10


    Hello teeboh, and welcome to Eight Forums.

    You wouldn't get a SID key until the first time you have successfully signed into the user account to have it's profile created.

    Have you already successfully signed into these accounts before getting this user profile error?

    For now, you might see if doing a system restore at boot using a restore point dated before you got this error may be able to help.
    Last edited by Brink; 15 Nov 2014 at 09:52. Reason: typo
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  9. #48


    Posts : 3
    Windows 8


    i have had this account for a few months now and i noticed it happened after a windows update, also i tried booting in safe mode but still got the same error, and also tried to log in with the in-built admin account still got the same error.

    edit: i did a system restore, to no avail
      My System SpecsSystem Spec

  10. #49


    Posts : 22,581
    64-bit Windows 10


    In that case you may need to refresh Windows. Be sure to backup anything that you do not want to lose first to be extra safe.
      My System SpecsSystem Spec

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User Profile Service failed the sign-in - Fix in Windows 8
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