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Daniele BrunengoFlag for Italy

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Phantom window outline on desktop

Hello, I have a very strange issue, this time on one of my W10 PCs (not a customer's).

There seems to be a transparent window on the desktop, as you can see in this image:
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The window isn't there immediately after boot, but after an undetermined amount of time it will appear.

I can also enlarge it or shrink it but I can't close it. And I don't know where it comes from.

Do you have any suggestions? What can I try to find out the origin of the window? I've tried closing non-essential background processes, to no avail. I have A LOT of processes running in the background.
PCDesktopsWindows 10Windows OS

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Brian B
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use winlister, it should show you the window and then you can close the application/fix it.

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Thanks, I'll try it out and report back. Nirsoft has a solution for everything. Almost.
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Process Explorer from www.sysinternals.com allows to drag a target over the window to get immediately to the corresponding process, that makes things easier.
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Brian B
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A little more crude, but starting in safe mode should at least tell you if it is something third party causing it and you can use msconfig to narrow it down from there.
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Obviously since I wrote this it still has to show up, so... waiting for it.
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Daniele Brunengo
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Brian B
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No problem, your computer knows what will happen if it doesn't behave for us. :-)

Thanks for the update.
Windows OS
Windows OS

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

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