White line flashes at the bottom of taskbar when auto unhidden.

  1. Posts : 152
    Windows 10 Pro x64

    White line flashes at the bottom of taskbar when auto unhidden.

    I'm running windows 10 Pro x86-64 Anniversary Update. I think my problem started with the cumulative update last week.

    Make sure you autohide your taskbar in it's Properties. The best way to see my problem is to maximize a window and move your pointer to where your taskbar will popup or for that matter to hide it again. I get a white flashing line at the bottom of the taskbar when the taskbar un-hides or hides. It might take a few tries to see it. If I don't maximize the window, and the bottom of the windows isn't over where the taskbar come up, I get no white line.

    Anyone else see this happening especially with AU and the latest cumulative update?
      My Computer

  2. Posts : 34,916
    Win 10 Pro (1903) (2nd PC is 21H2)

    No flashing line.. all up to date.
      My Computers

  3. Posts : 152
    Windows 10 Pro x64
    Thread Starter

    Guess I'll have to eliminate some of my startup stuff to see if this is the cause.
      My Computer

  4. Posts : 34,916
    Win 10 Pro (1903) (2nd PC is 21H2)

    You can certainly try all the standard ways to check for the possible effect of installed things... and certainly I found 3 small progs incompatible after installing the upgrade.. but you may know a number of bugs have been experienced with the upgrade, and MS is 'working on some'.

    You may end up wishing to roll back to the previous build- you have 10 days from upgrading- and defer upgrades until the dust settles.

    Note: is your problem possibly somehow related to this?
    Set how many times taskbar button flashes in Windows 10
      My Computers


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