Windows 10: Windows Modules Installer Worker

Discus and support Windows Modules Installer Worker in Windows 10 Performance & Maintenance to solve the problem; I just noticed for the first time that my Windows 10 Task Manager is showing significant (~25-30%) CPU usage for the Windows Modules Installer Worker.... Discussion in 'Windows 10 Performance & Maintenance' started by dlwmacgregor, Oct 19, 2016.

  1. Windows Modules Installer Worker


    I just noticed for the first time that my Windows 10 Task Manager is showing significant (~25-30%) CPU usage for the Windows Modules Installer Worker.
    The latest update I did was some Windows Defender updates this morning.
    I am running 14393.321.

    I did some research and discovered I could run the Windows 10 Windows Update Troubleshooter which gives me the option of Deleting and re-downloading the Updates or not. I don't know how many updates it would delete so I'm not going to click on it until I get some advice.

    Anyone have any advice on this or even seen this before?

    Thanks.

    :)
     
    dlwmacgregor, Oct 19, 2016
    #1
  2. 'Mike P Win User

    windows modules installer worker

    Right click the windows start menu icon and select 'Computer Management'

    In the services section scroll to near the bottom, Windows modules installer, right click and Stop ?
     
    'Mike P, Oct 19, 2016
    #2
  3. bill17TB Win User
    windows modules installer worker

    how do I turn off windows modules installer worker
     
    bill17TB, Oct 19, 2016
    #3
  4. Windows Modules Installer Worker

    Update...
    I thought I would "check for updates" again and as soon as it was finished searching (and didn't find any) the problem disappeared.
    Wassup?
     
    dlwmacgregor, Oct 19, 2016
    #4
  5. fdegrove Win User
    Hi,

    It seems WU was still at work when you first opened Task Manager.

    Cheers, *Wink
     
    fdegrove, Oct 19, 2016
    #5
  6. Actually I was doing something else (not using the computer) for quite a while and noticed the disk drive light flashing furiously for over an hour, so I opened Task Manager and that's when I discovered it. The last Windows Update it did was KB3199209 on the 18th.
    Weird.
     
    dlwmacgregor, Oct 19, 2016
    #6
  7. fdegrove Win User
    Hi,

    Sure but it also checks for new updates. Especially so when the machine is left idle.
    Hence the disk access activity, memory and CPU usage.

    Cheers, *Wink
     
    fdegrove, Oct 19, 2016
    #7
  8. Windows Modules Installer Worker

    So when the machine was no longer idle (when I manually checked for updates) it stopped its automatic check.
    Got it.
     
    dlwmacgregor, Oct 19, 2016
    #8
  9. fdegrove Win User
    Hi,

    That's it.

    Best, *Wink
     
    fdegrove, Apr 4, 2018
    #9
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Windows Modules Installer Worker

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