Windows 10: Windows update is leading the CPU usage to High in multiple systems

Discus and support Windows update is leading the CPU usage to High in multiple systems in Windows 10 BSOD Crashes and Debugging to solve the problem; Windows update is leading the CPU usage to High in multiple systems. "System" process is utilizing more than 30-50 % CPU which is causing 70-100% CPU... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Shailesh Sune, Aug 14, 2020.

  1. SHAILESH SUNE
    Shailesh Sune Win User

    Windows update is leading the CPU usage to High in multiple systems


    Windows update is leading the CPU usage to High in multiple systems.

    "System" process is utilizing more than 30-50 % CPU which is causing 70-100% CPU utilization and whole system gets down.

    :)
     
    Shailesh Sune, Aug 14, 2020
    #1
  2. DAVID HAZ
    David Haz Win User

    High CPU Usage Problem

    Hello,

    SvcHost.exe is a system process that hosts multiple Windows services in Windows Operating Systems. If there are multiple instances of svchost.exe in Task Manager, it could be that there are multiple third-party applications that are running in the background
    services.

    As a first troubleshooting step, we suggest that you boot your device in Safe Mode and see if you are still getting a high CPU usage. You may follow the steps here on this
    link to start your PC in Safe Mode.

    Keep us updated with the results.
     
    David Haz, Aug 14, 2020
    #2
  3. 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, Aug 14, 2020
    #3
  4. DEADALOS
    deadalos Win User

    Windows update is leading the CPU usage to High in multiple systems

    "System" process with high CPU usage

    I have exactly the same issue (high CPU usage) on a brand new HP ProBook 440 G5 (i7-8550U, pre-installed Win 10 Pro).

    I am pretty sure that there is a problem with audio drivers when the computer wakes up from a sleep mode. I first observed that process flow.exe (audio bloatware provided by HP/Conexant) was consuming (after waking up) ~10–15 % CPU. Here's what I did:

    • I have updated Windows to 1709, build 16229.251 and installed all updates --> Nothing has changed.
    • I have updated BIOS to the latest version provided by HP. --> Nothing has changed.
    • I have run Windows troubleshooting and HP Support Assistant checks --> No problems found, nothing has changed
    • I have manually updated Conexant ISST Audio Drivers (via Device Manager -> Update drivers). Windows installed a newer version. -->
      CPU usage by flow.exe has disappeared, but process called System in thread ACPI.sys+0x21cb0 started consuming ~20 % CPU.
    • I have uninstalled all Conexant software&drivers and manually installed generic High Definition Audio Device drivers provided by Microsoft (Driver Date: 21.02.2018). --> ACPI.sys+0x21cb0 still consumes ~20 % CPU.

    Same issues are discussed in these threads on HP site:


    The result is I cannot use sleep mode (as advised by this post:
    https://h30434.www3.hp.com/t5/Business-Notebooks/ProBook-450-with-high-CPU-usage/m-p/6611446/highlight/true#M149605    ).
     
    deadalos, Aug 14, 2020
    #4
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Windows update is leading the CPU usage to High in multiple systems

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