How to I stop MoUsoCoreWorker.exe from running or get it to run & end?

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  1. Posts : 7,607
    Windows 10 Home 20H2

    Next time when you unpause them, run the PowerShell command and see what you will get.

    Note that IsHidden=0 means excluding the hidden updates.

    The following will find installed updates.
    (new-object -com "Microsoft.Update.Session").CreateupdateSearcher().Search("IsInstalled=1 and IsHidden=0").Updates|FT -property Title
      My Computer

  2. Posts : 28
    Win10 Pro 64Bit
    Thread Starter

    It's been a while since I last looked at this thread (very busy) & I see a few updates.

    For me:

    1. Pausing WU updates has no affect on whether or not MoUsoCoreWorker.exe is added to powercfg /requests list.
    2. Re: powercfg /requestsoverride process MoUsoCoreWorker.exe execution,
      Up until today I thought this wasn't working. What I expected is that MoUsoCoreWorker.exe would NOT be added. Today I found out that yes it gets added but Windows ignores. So yep this is working and with no apparent issues.

    I also run the PS script above and this is what I got:

    PS C:\Windows\system32> (new-object -com "Microsoft.Update.Session").CreateupdateSearcher().Search("IsInstalled=1 and IsHidden=0").Updates|FT -property Title
    MSXML 6.0 RTM Security Update  (925673)
    Security Update for Microsoft Visual C++ 2010 Service Pack 1 Redistributable Package (KB2565063)
    Update for Windows Defender Antivirus antimalware platform - KB4052623 (Version 4.18.2001.10)
    Windows Malicious Software Removal Tool x64 - v5.90 (KB890830)
    Update for Microsoft Defender Antivirus antimalware platform - KB4052623 (Version 4.18.2105.5)
    2021-06 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H1 for x64 (KB5003537)
    Security Intelligence Update for Microsoft Defender Antivirus - KB2267602 (Version 1.343.147.0)
    2021-06 Cumulative Update for Windows 10 Version 21H1 for x64-based Systems (KB5003637)
    2021-06 Update for Windows 10 Version 21H1 for x64-based Systems (KB4023057)

    At this point I opened Settings -> WU and Windows had last checked a few hours earlier at 11:37am local time and there was nothing outstanding. KB5003537 was listed as a optional update.

    I then checked for updates & Windows installed an update for Defender signature files and nothing else.

    I have no idea why there are so many "updates" listed above. I haven't knowingly hidden any updates; in fact, I don't know how to do so in Win10.

    Or am I misunderstanding what this list is?

    Also, as pre Mark's post #62 above MoUsoCoreWorker.exe was added when I opened Settings-> WU it wasn't listed before.
      My Computer

  3. Posts : 16,591
    Windows 10 Home x64 Version 22H2 Build 19045.4046


    The updates list you posted is not unusually long. Do note that it is a list of installed updates that are not hidden.
    - It can be easier to look through the list of updates [with dates] in Control panel, Programs & features, View installed updates.

    That posted PS script seems to be part of a conversation with Steve.

      My Computer

  4. Posts : 28
    Win10 Pro 64Bit
    Thread Starter

    Thanks to all.

    I'm going to mark this thread as "Solved", since issuing the cmd:

    powercfg /requestsoverride process MoUsoCoreWorker.exe execution

    does allow the PC to sleep even though MoUsoCoreWorker.exe is listed in the list of power requests.

    I still believe that this a "work-around" and not a proper solution but that would be up to MS to provide.

    Also, in the months since I opened this thread the behaviour of MoUsoCoreWorker.exe has changed for me at least. It certainly doesn't appear as often as it did back in February and when it does it only remains active in the powercfg list for around an hour or so.

    For me, that is usually in the morning when I switch the PC or wake it up from its slumber. More often than not, I'm using the PC for more than an hour so my PC wouldn't go to sleep anyway.

      My Computer

  5. Posts : 7,607
    Windows 10 Home 20H2

    I just disabled "MoUsoCoreWorker.exe". As a result...

    How to I stop MoUsoCoreWorker.exe from running or get it to run & end?-result.jpg

    Nevertheless, I can still check for updates via scripts and WUMT.
      My Computer


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