Windows 10: Windows Indexer constantly on and taking atleast 20% CPU

Discus and support Windows Indexer constantly on and taking atleast 20% CPU in Windows 10 Ask Insider to solve the problem; Basically what my title says, i've not done/changed anything to indexer. It's on Enhanced mode. It's constantly on in task manager and taking 15-20%... Discussion in 'Windows 10 Ask Insider' started by /u/nosceneLUL, Jun 28, 2020.

  1. /U/NOSCENELUL
    /u/nosceneLUL Win User

    Windows Indexer constantly on and taking atleast 20% CPU


    Basically what my title says, i've not done/changed anything to indexer. It's on Enhanced mode.

    It's constantly on in task manager and taking 15-20% of my CPU constantly

    Anyone know wth happened?

    submitted by /u/nosceneLUL
    [link] [comments]

    :)
     
    /u/nosceneLUL, Jun 28, 2020
    #1
  2. PETEVFI
    PeteVfi Win User

    WUDFHost.exe constantly on 12-20% CPU

    OK, this is actually my own answer to an unwritten question on this title problem chasen today ...

    Why there is WUDFHost.exe constantly on some 12-20% CPU?

    According to several posts on the net "The WUDFHost.exe process is part of Windows Driver Foundation of Microsoft", and an essential one, if found on %WinDir%\System32 folder. It is pointed to be taking care of "User-mode Drivers".

    After checking the drivers on this about half-year old laptop, first 3 most critical ones manually and also updating them, I didn't still note any change on the CPU list. Then I went on checking others automatically this time with the Free Driver Booster 3, and it found some 12 more drivers outdated. So, now I let twice some 3-4 "easy" ones get updated automatically by DB3 and there between checked the actual CPU list, but still no change. But, after an automatic DB3 update of the last "critical/difficult" 5 m/b drivers the WUDFHost.exe was on 0% CPU, great! Note also, that all of the updated 15 drivers were just 3-12 months old.

    Edit 18.08.2016 10:30 (GMT+3):

    Sorry, to inform, but this cure was a short joy, after Windows 10 was Upgraded from 1511 to 1607 the problem did return, i.e. back to 15-17% CPU, and now the DB3 did recognise only up-to-date drivers ... See below my comments on this.

    Edit 18.08.2016 12:30 (GMT+3):

    OK, the new troublemaker identified -> Lenovo Quick Optimizer, see below my comment on it, and now this case hopefully finally cleared.
     
    PeteVfi, Jun 28, 2020
    #2
  3. PAULO81
    Paulo81 Win User
    search indexer using cpu

    I follow all the steps but nothing hanged search indexer still eating my cpu
     
    Paulo81, Jun 28, 2020
    #3
  4. PAULO81
    Paulo81 Win User

    Windows Indexer constantly on and taking atleast 20% CPU

    search indexer using cpu

    in step 2 its says indexing its not running. click rebuild anyway. stuck in waiting to receive indexing status

    In 3, cant find cortana processs.

    did all the rest, but search indexer is still there consuming cpu
     
    Paulo81, Jun 28, 2020
    #4
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Windows Indexer constantly on and taking atleast 20% CPU

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