Windows 10: The User Profile Service service failed the sign-in...

  1. Posts : 18
    Windows 10 & Ubuntu Studio
       26 Feb 2017 #1

    The User Profile Service service failed the sign-in...

    ...User profile cannot be loaded.

    I am using a dual-boot system with Windows 10 & Ubuntu. And I have for sometime now without a problem.
    Maybe the newest thing I installed has something to do with this (?). It was Ext2Fsd
    This morning I switched to Win10. Using Grub2, I believe I chose Windows UEFI bkpbootmgfw.efi.
    Only to find this message as a result of trying to login with my usual PIN #. Then I switched to use my password, and it worked. However, everything continued loading very, very slow. Slower than usual that's for sure. Once it seemed stable, I noticed the Windows key was not available. Also Ext2fsd had not loaded on its own, so I manually made it run. I logged off, but this time even with my password it would not log me in. I rebooted, but this time I chose Windows Boot Manager (UEFI on /dev/sda7) (I think).
    Windows started doing some fixings, and said it would be over an hour. It really only was a few minutes, but I was not there when it was done. It rebooted on its own, but it went to Ubuntu as it is the 1st on the Grub2 list. I wasn't able to continue checking on this as I had to go to work.

    Other people have advised to gain access to another Win10 installation (on PC or a USB drive), to copy the c:/Users folder and replace the one in your pc.

    What do you guys think?

    Thanks in advance,

      My ComputerSystem Spec

  2.    27 Feb 2017 #2

    Can you check your registry? Make sure your profile doesn't have a .bak to it. If it does delete the .bak and if you have a temp profile add it to that. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

    You've been signed in with a temporary profile - Fix

    Click image for larger version. 

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    Last edited by Brink; 27 Feb 2017 at 21:53. Reason: added tutorial link for more info
      My ComputerSystem Spec


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