Windows Shutdown dialogue box pops up automatically and closing applications

Rajesh Kiran 6 Reputation points
2020-07-27T09:59:27.853+00:00

Windows Shutdown dialogue box pops up automatically and closing all applications like browser and other apps. Basically the Win+F4 function is running automatically without pressing any keys. Attached is the screenshot of "Shutdown Popup". Appreciate your help.
Thanks in advance.13780-shut.png

Windows 10 Security
Windows 10 Security
Windows 10: A Microsoft operating system that runs on personal computers and tablets.Security: The precautions taken to guard against crime, attack, sabotage, espionage, or another threat.
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  1. Joy Qiao 4,886 Reputation points Microsoft Employee
    2020-07-28T07:28:00.077+00:00

    Hi,

    Does the shutdown box pop up on a specific time or after a specific action?
    Please open Task Scheduler, and tick Task scheduler Library to check if any related task created here. If yes, please check the tasks' description in general tab and it's trigger.

    If there is no related task created, please if any related information recorded in Event Viewer\Windows logs\System, also we could monitor if the issue occur in Safe Mode and Clean Boot environment to eliminate third party reason.

    Bests,