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Empty CMD Window Keeps Popping Up and Disappearing

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A CMD box keeps popping up in the top left of my desktop occasionally, but disappearing just as quick. If I'm in a full screen application, it'll bring me back to the desktop. It's extremely annoying, and happens a few times a day. I did a Malwarebytes scan but it didn't find anything.


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  • Root Admin

Hello @CraigSmith123

Not sure if this is your issue or not, if you feel it's not we can scan for malware


Please see the following post concerning an hourly popup from a Microsoft Office scheduled task. Credit to ArnoldLayne for information about this issue.

OfficeBackgroundTaskHandlerRegistration flashes a window every hour

Quote by Microsoft employee below


Microsoft’s Gregory Jensen replied: “This issue is fixed starting with build 16.0.8201.2025 which is now available as the latest update for those participating in the Office Insiders Slow program.

“It will be included in a future update for those not participating in Insiders.”

It currently is unclear when exactly the fix will be rolled out for all Office users.



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