moving mouse cause high cpu usage for explorer.exe


  1. Posts : 182
    Windows 10 Pro 64 bit 1909
       #1

    moving mouse cause high cpu usage for explorer.exe


    Something strange happens to me i never noticed. When i do nothing i have 1% cpu usage. But when i start rapidly moving mouse, cpu usage goes up to 20% for process explorer.exe, which is indeed weird. And for system interrupts cpu usage increases from 0.1 only to 0.5 How does mouse have to do anything with explorer.exe and i am currently on 4.1ghz intel i7 3770 4 cores, disabled hyper threading. And it doesn't happen randomly tested it already couple times. So weird i don't even have that high polling rate only 500hz and i have connected only mouse and keyboard into top ports of usb 2.0 It is also strange because i have pretty low dpc latency.
    Last edited by empleat; 19 May 2019 at 02:56.
      My Computer


  2. Posts : 488
    windows 10
       #2

    Hi @empleat

    I'll try to help;
    Can you take a trace with Windows Performance Recorder, It can give us a clue.

    What youcan do to troubleshoot that the right way and get answers to your problem is;

    -Download and Install windows Performance Toolkit https://developer.microsoft.com/en-u...deployment-kit . Choose the package corresponding to your Windows version.
    -Record a trace using Windows Performance Recorder using these options

    - Whilerecording the trace, try to work on your system for about 1 minutes. Then click the save button and give your file a name.
    -Compress the resulting file
    - Shareit through Send Large Files - Free Secure File Transfer - TransferNow or any other file sharing platform.

    See you.
      My Computer


  3. Posts : 182
    Windows 10 Pro 64 bit 1909
    Thread Starter
       #3
      My Computer


  4. Posts : 9
    Windows 10 Pro 64-bit Version 1803. OS build: 17143.753
       #4

    I have the exact same problem. If i move the mouse fast enough CPU usage spikes. I'm assuming its 1903 related

    In fact a few processes in task manager are using an abnormal amounts of power.

    - - - Updated - - -

    Hello, can any person confirm they're experiencing the same problem, high CPU usage while using the mouse on explorer.exe process

    - - - Updated - - -

    When the mouse isn't in use nothing. Now i can feel stutter in game. I have two monitors and can see the whole system isn't right. Any suggestion?

    2019 05 23 16 40 43 - YouTube
    Last edited by win10fuser; 23 May 2019 at 07:32.
      My Computer


  5. Posts : 488
    windows 10
       #5

    @empleat
    First, Update Comodo Internet security.
    If the problem persist, disable it or uninstall it and see if it helps.
      My Computer


  6. Posts : 182
    Windows 10 Pro 64 bit 1909
    Thread Starter
       #6

    It was already updated and it didn't help. I unfortunately can't roll back, because i already deleted system backup. I guess i will wait when it is gonna be fully released.

    EDIT:I don't really understand windows updates, it is confusing as hell. So if i was on preview version, i just install KB4497935 ?

    There is nothing else showing anyways.

    Hmm and even after update, it still happens...

    BUMP ?
    Last edited by empleat; 29 May 2019 at 08:19.
      My Computer



 

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