What is WmiPrvSE.exe and why is it causing high CPU usage?

Rohit Raj May 29, 2013
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Hello all,

My CPU usage is always around 30-40% even when no applications are running. On starting applications, such as Windows Media Player or Chrome, it goes past 70-80%, sometimes even 100%.┬áTask Manager shows “WmiPrvSE.exe” to be the reason for it.

I have tried searching for malware, some infected files were removed, but this didn’t improve performance.

I have no idea how to solve problem. Please help!

Thank you

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  1. Rich
    October 18, 2013 at 7:10 pm

    I also want to thank you- that made a major difference in the CPU% and stopped the fan from running constantly.

    • Ian S
      October 22, 2013 at 3:13 pm

      Thanks RED. A neat fix. How on earth did you find that out and Microsoft do not seem to have a patch fix

  2. RED66
    August 16, 2013 at 3:38 am

    Found an easy fix to this problem. Restart the "Windows management Instrumentation" Service. The dependent services will restart in the proper order and you'll see the CPU go way down to normal levels.

    • Kevindadof1
      August 17, 2013 at 3:09 am

      How do you restart this service?

    • mikers
      August 25, 2013 at 6:12 pm

      That worked.Thank you RED66. This brought the CPU % down instantly.

      Kevindadof1 , just access your Services program. The easiest way to find is just click Start, type Services, hit Enter. Under Services (Local), scroll down until you find the "Windows Management Instrumentation" service and select Restart.

    • Colin
      August 26, 2013 at 5:38 pm

      Thanks for the tip. Worked like a charm. That one has been bugging me for a long time.

    • Martynas
      August 31, 2013 at 4:49 am

      THNX worked like a charm!

    • Muti
      September 2, 2013 at 3:37 am

      Thank RED66 and mikers, this was very helpful. It really worked like a charm.

    • Bob
      October 22, 2013 at 2:32 pm

      Brilliant! Been searching for a simple fix for ages. BTW, sussundeep's link above is only for windows server NOT Win 7

  3. ha14
    May 29, 2013 at 8:21 am

    Wmiprvse.exe is microsoft service but virus and malware can disguise themselves under this name like W32/Sasser (wmiprvsw.exe)

  4. Rajaa Chowdhury
    May 29, 2013 at 7:12 am

    Nothing more to add, others have summed it up for you and susendeep have provided you a fix, so try that.

  5. Alan Wade
    May 29, 2013 at 6:31 am

    It is NOT necessarily a virus!

    You can read more about it here:
    http://www.neuber.com/taskmanager/process/wmiprvse.exe.html

  6. susendeep dutta
    May 29, 2013 at 6:10 am

    Description of WmiPrvSE.exe

    Find the WmiPrvSE.exe file in C:WindowsSystem32wbem.

    Kindly download and install the fix provided by Microsoft -

    High CPU utilization generated by the wmiprvse.exe process

    Also,look up for startup programs which and disable those which you don't need it.But don't disable Microsoft services.

    If not visible,then definitely infected by something.

  7. Prashant M
    May 29, 2013 at 5:50 am

    The wmiprvse.exe file is located in the folder C:WINDOWSSystem32Wbem. In other cases, wmiprvse.exe is a virus, spyware, trojan or worm! Check this process explorer
    You can download it from link below
    http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx

    If it is a trojan run a scan with antivirus and then with Malware byte or use avast for boottime scanning

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