Windows 10: Unknown User Account

Discus and support Unknown User Account in User Accounts and Family Safety to solve the problem; Hi I recently carried out a fresh windows 10 install, however when I boot up my laptop, two User Accounts appear, one is my own and the other has an... Discussion in 'User Accounts and Family Safety' started by Agh55, Oct 26, 2017.

  1. Agh55 Win User

    Unknown User Account


    Hi

    I recently carried out a fresh windows 10 install, however when I boot up my laptop, two User Accounts appear, one is my own and the other has an ID of "KCUBMA5". If I try to log in to this account, it requires a password.

    I never created this account and when I try to view the account via the Control Panel it is not there. If I run an elevated Command prompt, run netplwiz, I can see the following;

    User Accounts for \\ Desktop - KCUBMA5 is there, but my User Account is not.

    I'm at a loss to how this account was created, can anyone help.

    :)
     
    Agh55, Oct 26, 2017
    #1
  2. Kris Ver Win User

    Unknown User Account

    Hi,

    There's a high probability that this issue can be caused by a malware or
    a variety of malicious programs. Try performing a full scan on your PC using your antivirus software and check if there are any threats that will be detected.

    Just to verify, since when have you been experiencing this issue? Were there any changes made on your device prior to this?

    Meanwhile, let's boot your PC in safe mode. This will start Windows with a minimal set of drivers and services to help troubleshoot issues. For instructions on how to start PC in safe mode, please check this link.

    Note: If the issue doesn't reappear when you start your PC in safe mode, you can eliminate the default settings, basic device drivers and services as possible causes.

    We look forward to your response.
     
    Kris Ver, Oct 26, 2017
    #2
  3. Unknown User Account

    In my windows 10, most of the application's user name there is an unknown name which I observed is " Account Unknown(s-1-15-3-.....etc )".Is it a malware or rat or inbuilt username. Someone please tell me what it is..

    * Moved from Virus & Malware
     
    Harikrishnan27, Oct 26, 2017
    #3
  4. NavyLCDR New Member

    Unknown User Account

    Open netplwiz. Uncheck the box for "Users must enter a user name and password to use this computer." Then click apply. On the window that pops up, click cancel. The check box for "Users must enter a user name....." should be checked again. Click OK.

    That should get rid of the "ghost" login.

    Also, how many separate user folders do you see under C:\Users?
     
    NavyLCDR, Oct 27, 2017
    #4
  5. Agh55 Win User
    Hi, thanks for the quick reply, followed your guidance and Ghost Account has disappeared. I had only one account showing under C Users.

    This forum is brilliant, any issues I ever have are always responded to promptly and my problems are fixed.
     
    Agh55, Oct 27, 2017
    #5
  6. NavyLCDR New Member
    Glad it fixed it for you!
     
    NavyLCDR, Apr 5, 2018
    #6
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