Windows 10: Diagnostic Policy Service - high CPU

Discus and support Diagnostic Policy Service - high CPU in Windows 10 Performance & Maintenance to solve the problem; HP laptop problem In the last few days, this laptop started having poor performance, with Task manager showing Diagnostic Policy Service taking up to... Discussion in 'Windows 10 Performance & Maintenance' started by guthrie, Apr 6, 2018.

  1. GUTHRIE
    guthrie Win User

    Diagnostic Policy Service - high CPU


    HP laptop problem
    In the last few days, this laptop started having poor performance, with Task manager showing Diagnostic Policy Service taking up to 30% or more of CPU.

    HP Spectre x360 - 13-4197dx (ENERGY STAR)

    Diagnostic Policy Service - high CPU [​IMG]


    In the last few days it started having poor performance, with Task manager showing Diagnostic Policy Service taking up to 30% or more of CPU.


    Diagnostic Policy Service - high CPU [​IMG]


    Did upgrade of BIOS, no improvement.
    Downloaded all current windows upgrades – no fix.
    I created a new (admin) user, same problem.
    I ran all of the diagnostics in the HP Support Assistant, all passed – no effect.
    I ran "sfc /scannow." and "Dism /Online /Cleanup-Image /RestoreHealth" – no effect.

    There is an online thread on this in the HP forums, which does not seem to show any fix.
    https://h30434.www3.hp.com/t5/Notebo...c/td-p/6209980

    The HP support is abysmal – it took several minutes for him to echo back “so this is your computer system?”, and then the only suggestion was a factory reset.

    :)
     
    guthrie, Apr 6, 2018
    #1
  2. SUJANINAIR
    SujaniNair Win User

    "The Diagnostics Policy Service is not running."

    "The Diagnostics Policy Service is not running." Start up apps and cortana is not working when i click on it after windows 10 update. In addtion, windows firewall will not turn on. So many problems after updating windows. Please help.
     
    SujaniNair, Apr 6, 2018
    #2
  3. CARLO FER
    Carlo Fer Win User
    The Diagnostic Policy Service is not running

    Hi,

    To resolve this issue, launch the command prompt as Admin and enter
    these:

    • Type " net localgroup Administrators /add networkservice " then press Enter.
    • Type " net localgroup Administrators /add localservice " then press Enter.
    Also, we need to make sure that the following services are started.

    1. Press Windows key
    + R.

    2. On the dialog box, type services.msc

    3. Under Services (Local)
    list, find the services: Diagnostic policy, Diagnostic Service, Diagnostic system host.

    4. Check the status of the services is started or not.

    5. If the services are not started, you can
    Right     Click a status and Start a service.

    6. Restart your computer.

    Please post back with the result for further assistance.
     
    Carlo Fer, Apr 6, 2018
    #3
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Diagnostic Policy Service - high CPU

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