Windows 10: MoUsoCoreWorker.exe prevents PC from sleeping

Windows 10, 64-bit, 2004


PC is refusing to sleep, even when I press the power button. Start menu -> Power -> Sleep/Hibernate does not work either -- screen went black but came back in a few seconds.


> powercfg /requests


EXECUTION:
[PROCESS] \Device\HarddiskVolume3\Windows\System32\MoUsoCoreWorker.exe
USO Worker

I think this is part of Windows Update. However, when I run Windows Update, it's all green and there is nothing to update.


What's wrong here?


Thanks

:)

 

Preventing sleep on laptop/monitor

Hi Tricia,

In order to help you with your concern about preventing your Windows 10 not to go to sleep mode, may we request you to answer the following questions first:

• Have you made any recent changes to your computer system prior to getting this issue?
  
• What is the current Build and Version of your Windows 10 PC? To know these information follow these steps:
  

• Press the Windows key + R.
• Type Winver.
• Press Enter.
• A small box will appear showing the current Build and
  Version of your PC.

(Should you need to update your PC, you may click on this
link. This will also show you the update history for Windows 10.)

• Are you getting any error messages? If yes, kindly post it here.
• What troubleshooting steps have you taken so far?

You may utilize the troubleshooting suggestions from the post of
Aleksandr 10 in this thread, to remedy the
automatic sleep that your device is displaying. This link has been helpful to a lot of Community members who had the same concern and may also be helpful in the issue at hand.

We look forward to your response.

Regards.

 

which processes prevent sleep?


Well there are no obvious processes listed as preventing your system from sleeping. Have you tried leaving your PC on overnight or for several hours to see if it eventually completes any running tasks and finally goes to sleep?

 

Sleep issues with Windows

Hi,

I understand the issue that you are currently facing, we will try the best we can to resolve your issue.

I suggest you to follow the steps below and check if that resolves the issue.

* Right-click on Start and Select Command Prompt (Admin)
from context Menu

* Type or Copy/Paste the below commands into it and hit Enter key

powercfg /devicequery wake_armed

• By executing this command, it will bring up all the device list that are configued to wake up your PC from sleep. Now it time to find the device which made you PC to come out of the sleep lastly. Go and execute second command
  now.

powercfg /lastwake

• 
  This will bring up the details of the device that made your PC to come out of the sleep lastly. Now go to the particular device properties and make changes accordingly to preventing that particular device to wake your PC from sleep.
  

Please get back to us with status so that we can assist you further.