Windows 10: CertPropSvc causes high CPU usage

Discus and support CertPropSvc causes high CPU usage in Windows 10 BSOD Crashes and Debugging to solve the problem; Hello, a couple of weeks ago I noticed that my computer started to slow down due to high CPU usage. After some research I figured out that this is... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by randomly-selected-name, Jul 28, 2018.

  1. RANDOMLY-SELECTED-NAME
    randomly-selected-name Win User

    CertPropSvc causes high CPU usage


    Hello,


    a couple of weeks ago I noticed that my computer started to slow down due to high CPU usage.


    After some research I figured out that this is caused by a service called CertPropSvc (Microsoft Smartcard Certificate Propagation Service).

    If I manually stop the service everything is back to normal but as soon as I start CertPropSvc the CPU usage rises to 60% again.

    • Is this a known issue or should I worry about my computer?
    • How can I make sure that the configuration of this service and the corresponding files weren't manipulated?
    • Which drawbacks can I expect if I just set the startup type to 'disabled'?


    Please let me know if there is a way to fix this problem.


    In case it is important: right now I've installed Windows 10 Pro (version 1803, build 17134.165).



    Thank you very much in advance!

    :)
     
    randomly-selected-name, Jul 28, 2018
    #1
  2. RICHARD TIE
    Richard tie Win User

    WIN10 1703 update cause Explorer.exe high CPU usage

    Hi,



    Glad you reached out. First, we would like to know if Explorer.exe
    is the only cause of high CPU usage. Because the common cause of high CPU usage are the following:

    - Windows 10 Memory leak after the update.

    - Driver incompatibilities after the update.

    - Multiple startup applications





    We'll be waiting for your update.
     
    Richard tie, Jul 28, 2018
    #2
  3. PETERLISM
    peterlism Win User
    ntoskrnl.exe causing high cpu usage

    It is completely random when it causes high CPU usage. It dosen't (as far as I can see) take up much memory, it just causes high CPU usage.

    It spikes to about 20 - 90 % and stays like that for a second or so and causes my computer to freeze during that time. It can happen often, like every 5-10 minutes and sometimes it can go about 30 minutes. I do not recieve any error when this is happening.
     
    peterlism, Jul 28, 2018
    #3
  4. IANGIE
    iangie Win User

    CertPropSvc causes high CPU usage

    WIN10 1703 update cause Explorer.exe high CPU usage

    I am using Surface Pro 3 (i5, 8G RAM)

    After WIN10 v1703 update, Windows Explorer uses ~30-40% CPU.

    If I uncheck "Show thumbnails instead of icons" in the Performance Options, the CPU usage of Windows Explorer reduces to ~0%

    Any suggestion why showing thumbnails cause so high CPU usage in v1703?

    Thanks!
     
    iangie, Jul 28, 2018
    #4
Thema:

CertPropSvc causes high CPU usage

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