Windows 10: post upgrade system resets to unusable state.

  1.    15 Aug 2015 #1

    post upgrade system resets to unusable state.


    I'm totally stumped.
    I've upgraded from Win 7 to 10 twice and this happened both times. Basically on my Lenovo laptop I perform the upgrade and everything seems to work perfectly. After 1-2 hours of use, all of the files in the account I'm using seem to delete themselves in front of my eyes. I'm basically left with no valid user profiles and I can't even log into the system (once I log out) with any credentials because all user profiles are gone.
    Essentially in HKLM\SOFTWARE\Microsoft\Windows NT\ CurrentVersion\ProfileList, I'm left with the following 3:
    S-1-5-18
    S-1-5-19
    S-1-5-20
    (and nothing else)

    At this point I try all the recovery options in windows 10, and they all fail.
    I have to reboot with a previous Windows 7 rescue disk and system backup.

    So even if I didn't mind that I'd lost all of my files, I can't even login once this weird event happens. Any ideas?

      My ComputerSystem Spec


  2. Posts : 5,010
    Windows 10 Pro X64 15063.138
       16 Aug 2015 #2

    How did you do the upgrade?
    What anti-virus do you have and did you uninstall it before doing the upgrade?
    Did you run virus scans before doing the upgrade?
      My ComputersSystem Spec

  3.    16 Aug 2015 #3

    Ztruker said: View Post
    How did you do the upgrade?
    What anti-virus do you have and did you uninstall it before doing the upgrade?
    Did you run virus scans before doing the upgrade?
    It was the standard upgrade from Windows 7 that you sign up for. The "Get windows 10" icon in the notification area finally popped up saying it was ready to install after a download, and I proceeded from there.

    I use a combination of Avast and malware bytes, with constant updates and their respective live scanning to block anything malicious. Both times, as far as I can tell, my computer was clean.
      My ComputerSystem Spec


 

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