Windows 8 and 8.1 Forums


Unable to open UAC control dialog

  1. #1


    Posts : 241
    Windows 8.1x64 Pro

    Unable to open UAC control dialog


    I tried all means of opening the UAC slider menu (from Control Panel/User Accounts/change UAC settings, using cmd.exe, etc) but it never shows up. Verified file integrity, everything is fine. Any suggestions? Thanks

      My System SpecsSystem Spec

  2. #2


    Posts : 22,565
    64-bit Windows 10


    Hello Antares,

    If you like for now, you should be able to use OPTION TWO in the tutorial below to change your UAC settings.
    To try and fix this, you could do a system restore using a restore point dated before this started. You'll of course need to change your UAC settings back to what you wanted afterwards.

    Hope this helps for now.
      My System SpecsSystem Spec

  3. #3


    Posts : 241
    Windows 8.1x64 Pro


    Thanks Brink, I have no restore point (I had System Protection Disabled).
      My System SpecsSystem Spec

  4. #4


    Posts : 22,565
    64-bit Windows 10


    Was the .reg file able to set it for you?
      My System SpecsSystem Spec

  5. #5


    Posts : 241
    Windows 8.1x64 Pro


    Right now it seems that UAC is disabled as it never shows up when performing Administrator tasks. I can test your reg file to see if it works to enable UAC as long as I'll be able to disable UAC back. WHat I'd like to fix is the UAC settings dialog not opening at all. Let me know if you want me to test your reg file anyway.
      My System SpecsSystem Spec

  6. #6


    Posts : 241
    Windows 8.1x64 Pro


    UPDATE: the reg file was successfully merged into the registry, yes it works, yet the UAC dialog does not open.
      My System SpecsSystem Spec

  7. #7


    Posts : 241
    Windows 8.1x64 Pro


    I did not mention, but about 2 weeks ago I had to remove a faulty RAM stick, so faulty memory could've messed my system?
      My System SpecsSystem Spec

  8. #8


    Posts : 22,565
    64-bit Windows 10


    Great news.

    Usually, you just wouldn't be able to use the RAM when faulty. It shouldn't have caused this.

    Go ahead and run the full SFC /SCANNOW command to see if it also shows no problems.
      My System SpecsSystem Spec

  9. #9


    Posts : 241
    Windows 8.1x64 Pro


    I ran SFC/SCANNOW and no integrity issues found. I also ran DISM like 4 times both online and using the Windows 8.1 installation disk and it always shows the message:
    "The restore operation completed successfully. The component store corruption was repaired. The operation completed successfully."
      My System SpecsSystem Spec

  10. #10


    Posts : 22,565
    64-bit Windows 10


    If you haven't already, see if running the file below from the Run ( + R) dialog will open User Account Control Settings.

    UserAccountControlSettings.exe

    As a test, are you able to open it while signed in to another user account?
      My System SpecsSystem Spec

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Unable to open UAC control dialog
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