Update Preventing Windows Going into Sleep Mode  

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  1. Posts : 11
    Windows 10 Pro 64bit
       #1

    Update Preventing Windows Going into Sleep Mode


    Windows 10 Pro
    Version 1909
    OS Build 18363.1411

    Hi All
    For the past couple of weeks, my PC has stopped going into Sleep Mode by itself. It works if I manually put it to sleep, but not if I rely on my Power Plan and am away from the PC for a while. I've changed nothing in the plan or settings that could make this happen.
    I've back tracked on anything new that I have installed or done recently - there wasn't much.
    What I have found is that the issue occurs when a particular Windows Update - namely KB4601380 - has been installed.
    When I uninstalled this update, everything returned to normal and Sleep Mode worked as it should. Then Windows redid the same update automatically and the problem returned. I again uninstalled this update and paused Updates for a week. No more Sleep issues again. Of course, once Updates were unpaused, along came KB4601380, bringing with it the original problem.

    So my questions are . .
    1) Is this an important update and do I really need it?
    2) If not important, how do I prevent Windows Update from continually downloading and installing the update. I've used Microsoft's wushowhide utility to no avail. but may be doing something wrong?
    3) If it is important, what can I try to cure the issue it's giving me?
    Appreciate the help and many thanks
      My Computer


  2. Posts : 7,600
    Windows 10 Home 20H2
       #2

    Hide unwanted updates via Windows Update MiniTool:
    Download Windows Update MiniTool - MajorGeeks

    Select updates and click on the H button.

      My Computer


  3. Posts : 16,201
    Windows 10 Home x64 Version 22H2 Build 19045.3693
       #3

    There have been several reports of this in several TenForums threads. It does not only affect Version 1909.

    Run this command. It will list those items that tell Windows to stay awake no matter what.
    Code:
    powercfg -requests

    If the response identifies MoUsoCoreWorker then it means that this update-related component is inhibiting sleep. Like many of us, you could inhibit it. Try mngerhold's solution in post #9 of another thread

    It worked for me.

    Denis
    Last edited by Try3; 08 Mar 2021 at 13:19.
      My Computer


  4. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #4

    Try3 said:
    There have been several reports of this in several TenForums threads. It does not only affect Version 1909.

    Run this command. It will list those items that tell Windows to stay awake no matter what.
    Code:
    powercfg-requests

    Thanks for posting this, BTW it's
    Code:
    powercfg -requests
    You didn't have a space between powercfg and dash requests.

    Anyway, my PC hasn't gone to sleep since the last 20H2 update (KB4601382). And yeah, I got "MoUsoCoreWorker.exe".

    I'll now look into solving it as I've never had to disable mouse wake before (thomaseg1 post).

    Thanks.
      My Computers


  5. Posts : 16,201
    Windows 10 Home x64 Version 22H2 Build 19045.3693
       #5

    sygnus21 said:
    You didn't have a space between powercfg and dash requests.
    Thanks. Corrected.

    I used Martin's syntax [mngerhold's solution in post #9 of another thread] and have not had the problem since.

    Denis
      My Computer


  6. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #6

    Thanks. I just got a new .net update so I'll see how that fairs and go from there.

    Thanks.
      My Computers


  7. Posts : 1,807
    Windows 10 Pro 21H1 19043.1348
       #7

    Try3 said:
    There have been several reports of this in several TenForums threads. It does not only affect Version 1909.

    Run this command. It will list those items that tell Windows to stay awake no matter what.
    Code:
    powercfg -requests
    Denis
    Thanks for posting.

    FYI, In early December, while I had my Windows update over-ride disabled, MS blessed my PC with a new 2004 OS. The sleep function has been completely intermittent and unreliable ever since except for one short period. The previous OS, 1809 worked wonderfully for sleep and auto-brightness adjustments between DC & AC power. All gone now. :-\

    After running powercfg -requests just now, I noted 2 instances of a battery limiter App I use that may have been preventing sleep, fixed now. I'll shorten the delay time for sleep and see if sleep works again.


    Update Preventing Windows Going into Sleep Mode-0308-powercfg-requests.jpg


    Update;

    It appears that sleep is working on my PC with 2004, it must have been fixed by MS.

    I'm glad I didn't clean install 1909 as a fix.


    Update Preventing Windows Going into Sleep Mode-0308b-powercfg-requests.jpg
    Last edited by W10 Tweaker; 08 Mar 2021 at 14:25.
      My Computer


  8. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #8

    My PC is also now sleeping. Not sure if it was the .net update or me disabling "Allow this device to wake to wake computer" in Device Manager for my mouse. Will now enable that and see if the PC still sleeps.
      My Computers


  9. Posts : 11
    Windows 10 Pro 64bit
    Thread Starter
       #9

    I've been using the Windows Update MiniTool as mentioned in Post #2 above and used it to hide KB4601380. So far, so good.

    As an aside, when the Sleep issue I had was active, I ran powercfg -requests and there was nothing displayed or listed at all, so I had no indication of what the culprit may be. Not even MoUsoCoreWorker was listed.

    Each system is no doubt different I guess. There is obviously something wrong with KB4601380 to be causing so many issues.
      My Computer


  10. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #10

    sygnus21 said:
    My PC is also now sleeping. Not sure if it was the .net update or me disabling "Allow this device to wake to wake computer" in Device Manager for my mouse. Will now enable that and see if the PC still sleeps.
    Seems I need to un-tick "Allow this device to wake to wake computer" to allow my PC to sleep. Baffling is I've never ever had to do this in the past - that the box has always been ticked.

    I will add though I did do a BIOS update, and prior to that there was a Windows update, so I'm not sure where the culprit lays
      My Computers


 

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