Windows 8 and 8.1 Forums


Cannot lock computer Windows 8.1

  1. #1


    Posts : 4
    Windows 8.1

    Cannot lock computer Windows 8.1


    It have been while I cannot lock my computer either by ctrl-alt-del or directly using the "windows"+L shortcut. I tried the tips here by using the gpedit.msc. It can actually show/hide "task manager" or "change password" but "lock computer" is hidden even if I turn off the "Remove Lock Computer" option. I also tried the "sfc /scannow" to fix the OS, it didn't help either.
    Any suggestion to fix this?

      My System SpecsSystem Spec

  2. #2


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Follow the info in DISM - Fixing Component Store Corruption in Windows 8 See if that fixes the issue.
      My System SpecsSystem Spec

  3. #3


    Posts : 4
    Windows 8.1


    Quote Originally Posted by broe23 View Post
    Follow the info in DISM - Fixing Component Store Corruption in Windows 8 See if that fixes the issue.
    I ran the command:
    Dism /Online /Cleanup-Image /RestoreHealth
    Then rebooted, but the lock computer is not present nor can I lock it with "windows"+L. I looked the log, it looks it didn't find anything that could cause the issue.
      My System SpecsSystem Spec

  4. #4


    Posts : 22,573
    64-bit Windows 10


    Hello xt8088, and welcome to Eight Forums.

    What happens when you try to lock the computer? Any error messages?

    Are you able to lock the computer using the shortcut below?

    Lock Computer - Create Shortcut - Windows 7 Help Forums

    Double check below to see if you may have "Lock" available at any other location.

    Lock, Log off, Restart, Shut Down, Switch User - Windows 8
      My System SpecsSystem Spec

  5. #5


    Posts : 4
    Windows 8.1


    Quote Originally Posted by Brink View Post
    Hello xt8088, and welcome to Eight Forums.

    What happens when you try to lock the computer? Any error messages?

    Are you able to lock the computer using the shortcut below?

    Lock Computer - Create Shortcut - Windows 7 Help Forums

    Double check below to see if you may have "Lock" available at any other location.

    Lock, Log off, Restart, Shut Down, Switch User - Windows 8

    Thank you.

    But please do take a look at my post. I have done all these procedures and more. I should consider myself an advanced user working on MS windows device drivers for over 10 years.
      My System SpecsSystem Spec

  6. #6


    Posts : 22,573
    64-bit Windows 10


    I did, and that's why I asked the questions I did for further clarity.
      My System SpecsSystem Spec

  7. #7


    Posts : 4
    Windows 8.1


    I found the reason I cannot lock the system. In the registery location "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" , there is a 'DisableLockWorkstation'. It was set to '1'. Issue resolved instantly by setting to '0' .

    I don't have any idea when and how it was set.
      My System SpecsSystem Spec

  8. #8


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Sounds like GPO caused it. Sometimes you never know how things like these happen. 8 has a weird quirk that when you set NumLock on. It tends to turn it back off.
      My System SpecsSystem Spec

Cannot lock computer Windows 8.1
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