Windows 10: How to get rid of strange white square on desktop during startup?

  1.    29 Aug 2015 #1

    How to get rid of strange white square on desktop during startup?

    I have some strange square every time I start Windows 10, which will be gone when I click on it. Something is run in the background. I see nothing when Windows is just loading. When ESET anti-virus loads, it's still okay. And then somewhere during that and the last few startup programs, it suddenly gets there. It won't get away, unless I click on it one or several times. It's reloading every time I restart Windows 10.

    How can I manage step by step what is loaded during startup, so that I can see what the problem is. I think it was the patch for that "show me the desktop" button on the far right of the taskbar that did it. But I deinstalled that, so...

    Any help, please.
      My ComputerSystem Spec

  2.    29 Aug 2015 #2

    A few questions: was this a Windows 10 upgrade from a previous Windows version?
    If so, was Your Antivirus s/w installed during the upgrade?

    The reason I ask this is because it is a very well known problem with just about all Antivirus programs installed and that is in the Antivirus programs behavior. In short they don't like deep changes in the Windows system files and therefor cause trouble with Windows 10 upgrades.

    So, if this is the case, uninstall the Antivirus s/w (remember to have your license key at hands for later installation, if necessary).
    Restart the computer.
    First: create a backup of all your important files etc.

    Windows up and running > Put in the Windows 10 DVD or USB media > select Setup or autostart > do a Windows 10 upgrade (it will keep everything intact, important that you choose upgrade option) > complete the whole Windows 10 upgrade.
    This will reinstall the complete Windows 10 without losing data or personal settings, to a fresh new status.

    Note: You must Not boot from the Windows 10 media, then it will create a fresh installation and that is something we not want to do.

    Reboot the machine and run Windows update and reboot. Repeat this procedure until there are no more Windows updates.
    Reinstall your Antivirus s/w.
    This procedure is a way of repairing a corrupt Windows installation so I recommend this anyhow.

    How is it working now?
      My ComputerSystem Spec

  3. You's Avatar
    Posts : 615
    Windows 10 Enterprise x64 (build 10586)
       29 Aug 2015 #3

    It might be a program that opens but doesn't display correctly. Restart the computer and when it starts up and the box appears, close all of the other windows that are open and...

    First, right click the taskbar (where all of the open apps, Start button and search bar show up).
    Then, click Task Manager.
    Then, click the More Details button if you cannot see the tabs at the top of Task Manager.
    Then, click the Processes tab.
    Then, click "Name" under the Processes tab if there is no gray arrow above it pointing up. The apps in the list should be categorized as "Apps", "Background Processes", etc.

    Is there a program under "Apps"?

    Or if you Alt-Tab, does the box show up in the Alt-Tab menu and does it have a title (like this)?

    Click image for larger version. 

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    Try disabling Startup programs one-by-one if you can't figure out what the program is.

    First, right click the taskbar.
    Then, click Task Manager.
    Then, click the More Details button if you cannot see the tabs at the top of Task Manager.
    Then, click the Startup tab.
    Then, disable one program, restart, see if the behavior still occurs, re-enable it if it does, disable the next program, restart, re-enable it if the problem is still there, and so on until the box disappears.

    If it disappears after a program is disabled, that program is causing the box to appear.
      My ComputerSystem Spec


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