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  • #2306605

    StartUp Mystery Window


    by wpbarnes ·

    After uninstalling an app and removing all vestiges of it from the Registry, now, after the initial CTL+ALT+DEL at startup, I get a large window with no title and no text or graphics, just an “OK” button. When I click the OK button, it disappears and I get the normal logon dialog. Where did this come from and how do I get rid of it?

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  • Author
    • #3357736

      StartUp Mystery Window

      by thechas ·

      In reply to StartUp Mystery Window

      Look in the following places:

      Start Menu, start-up
      Registry – Search on runonce, check the run keys around each runonce key

      System legacy files:

      You are looking for references to either programs related to the one you removed, or any “unusual” programs.


    • #3357690

      StartUp Mystery Window

      by mashtifered ·

      In reply to StartUp Mystery Window

      Check the following location:
      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run and remove any hints of that program.

      • #3357646

        StartUp Mystery Window

        by wpbarnes ·

        In reply to StartUp Mystery Window

        Thanks but in my original description I mentioned that I removed ‘all vestiges of the application’ including those in the Run Key that were found on the search.

    • #3357689

      StartUp Mystery Window

      by joseph moore ·

      In reply to StartUp Mystery Window

      Sounds like there is a space in the LegalNoticeText or LegalNoticeCaption portion of the Registry.
      Open Regedit and go to either



      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

      Check both locations for LegalNoticeCaption and LegalNoticeText. Make sure there is nothing in these values. I bet there is a space in one of them. Just delete whatever is there, then reboot. That should take care of it.

      hope this helps

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