Windows 10: Windows Explorer CPU Usage

Discus and support Windows Explorer CPU Usage in Windows 10 BSOD Crashes and Debugging to solve the problem; Since this morning Windows Explorer is running at over 30% while I'm doing nothing. The icons on the windows taskbar and the desktop are constantly... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by HarryIHL, Mar 15, 2019.

  1. HarryIHL Win User

    Windows Explorer CPU Usage


    Since this morning Windows Explorer is running at over 30% while I'm doing nothing.

    The icons on the windows taskbar and the desktop are constantly refreshing and redrawing themselves.


    I have not installed anything at all this week.


    Running Windows 10 Version 1890 (17763.379)

    :)
     
    HarryIHL, Mar 15, 2019
    #1

  2. Windows Explorer high CPU Usage in Windows 10

    Hi Andrew,

    Usually, too many background processes can boost your CPU usage. Since you already disabled the apps that are not necessary on startup,
    we suggest checking the applications running once you have successfully boot Windows 10. To do this, simply follow the steps below:

    • Click on the Start button and type Task Manager on the search box.
    • On the Task Manager window, you should see the programs running.
    • Click on the More details drop-down button to see the total number of apps running and their real-time CPU usage.

    From there, you should see what applications are running on high CPU usage. You can also
    restart the Windows Management Instrumentation service and see if your CPU performance will improve. Follow the instructions below to restart the service:

    • Click on the Start button and type Services.
    • Scroll down the list and look for Windows Management Instrumentation.
    • Right click on it and select Restart.

    Should you have further questions, please let us know.
     
    Jefferson Ore, Mar 15, 2019
    #2
  3. Windows Explorer high CPU Usage in Windows 10

    To further troubleshoot the issue, we suggest checking the Task Manager again to see what are the
    applications that have high CPU usage. To do this, follow the same steps you did from the previous reply:

    • Click on the Start button and type Task Manager on the search box.
    • On the Task Manager window, you should see the programs running.
    • Click on the More details drop-down button to see the total number of apps running and their real-time CPU usage.

    However, based on your response above, it seems that you may need to create a new user account again and just install your apps manually instead of copying them as your
    previous user account might be corrupted.

    Once your done with the steps, please let us know how it goes.
     
    Jefferson Ore, Mar 15, 2019
    #3
  4. barence Win User

    Windows Explorer CPU Usage

    Problem: Explorer 50% cpu usage


    Every day, at intermittent times unrelated to anything I do [it happens when I'm doing nothing], Explorer starts running with each core at about 50% cpu usage, and does not stop. Temperatures and fan speeds rise, fans become very noisy.

    Speedfan indicates core temps rise to ~ 70 degrees C, "Temp1" rises to 75 - 80 degrees, fan 1 speed ~ 4000rpm,
    fan 2 speed ~ 2500 rpm.

    I have just installed Windows 10 so it seems it could not be caused by a virus/malware.

    In windows 7 forums some users found the problem was caused by a corrupted file:

    Explorer.exe 50% CPU usage - Windows 7 Help Forums

    Since my problem is intermittent is it unlikely to be caused by a corrupted file?

    I can't use the solution suggested in the W7 forums because when I kill explorer I lose my desktop.

    I ran diskcheck on both my hard drives and it reported no errors found.

    Any suggestions would be welcomed.

    Can someone please explain why a corrupted file would cause explorer to run at 50% cpu usage?
     
    barence, Mar 15, 2019
    #4
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Windows Explorer CPU Usage

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