Windows 11 Why does a white window pop up / flash for a fraction of a second in Windows 11 after installing the KB5043145 update?

  • Thread starter Thread starter princesita-carol
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princesita-carol

After installing the KB5043145 update for Windows 11 23H2, every single time I turn on or restart my computer a white window pops up / flashes for a fraction of a second and then it disappears (This white window doesn't contain any text or images, it is just a white square). This white window always pops up / flashes approximately 2 minutes after I have turned on or restarted my desktop computer.This had never happened before. This white window started popping up / flashing after the installation of the KB5043145 update as I mentioned above. I have used PowerShell to run System File Checker ("

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