Cpu on 100% 24/7

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  1. Posts : 14
    10 pro
    Thread Starter

    I was able to run autoruns after using the registry fix,
    I'm pretty sure there is a virus that prevented it from running.
    I see some items in red what does it mean?
    also there are some yellow items.
    how should I know what to disable?
    i attach the autoruns log file here:
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.

    regarding smphost it was never that high of a cpu usage.
    I don't have 2 drive that is combines to one partition.
    Last edited by Hollowcow; 16 May 2021 at 16:50.
      My Computer

  2. Posts : 512
    Windows 10

    "I don't understand what smphost is?"
    what is smphost - Google Search
      My Computer

  3. Posts : 35,611
    Win 10 Pro (21H2) (2nd PC is 21H2)

    Good. Colours? See screenshot below and Autoruns guides

    Using Autoruns: a search for e.g.
    guide to using autoruns

    offers e.g.

    SysInternals Pro: Using Autoruns to Deal with Startup Processes and Malware

    and there are some Youtube videos
    Cpu on 100% 24/7-1.png

    First, play safe. in Options, click 'Hide Microsoft entries'

    Create a System Restore Point.

    Then in Autoruns, use File, Save to save the Autoruns settings to somewhere safe.

    That gives you two ways to get back to your current state.

    If you look at Autoruns, and first concentrate on the Logon tab, you will probably see section headers ending
    and Startup

    Some of these will already by unchecked by virtue of the clean boot you've done. Note these as you go.

    Inspect these, and match as many as you can with the items noted above.
    Untick the checkbox to disable each one.
    I suggest you try one group at a time. You are trying to determine what is triggering WMI.

    Restart and see if WMI is still running.

    If not, enable some, retry.

    By a process of elimination, identify the cause (hopefully).

    Note- there must be more than one, as after the clean boot CPU use is much lower.

    There is on more section that can include startups: Scheduled Tasks.
    Not all of these will be startups, so choose carefully.
      My Computers


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