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what is windows host process rundll32 and why do i have 667 instances of it?

Anonymous
2024-05-04T00:33:27+00:00

so for some reason in my task manager i see over 600 instances of a thing called windows host process and it slows my computer alot so i was wondering if anyone knew how to get rid of this. I tried manually closing them but they keep coming back and i couldnt find any solutions on youtube please help

Windows for home | Windows 10 | Performance and system failures

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  1. Anonymous
    2024-05-05T00:40:50+00:00

    Ive found out the problem. apparently there was a file corruption that windows sfc scan somehow couldn't pick up. i downloaded AVG antivirus and it seemed to do something with the files, i'm sure it repaired them. and for some reason, my Windows Defender had a setting off, though i haven’t even touched windows defender since i got the laptop. The diagnostic that FRST gave me was that my Nvidia container that was running it the background had kept restarting and failed, which led to the rundll32 files re-opening to try and run the container, though this wasnt the case. It was just a corrupted file in system32. hope this can help other people

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  2. Anonymous
    2024-05-04T03:24:04+00:00

    To run faster and more reliably, applications are divided into smaller processes. This allows the CPU to act on individual processes instead of having to deal with the entire application, and if an individual process fails for some reason, there is much less risk that the entire application will fail.

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  3. Anonymous
    2024-10-11T13:29:58+00:00

    To fix this issue you need to open command prompt as administrator then type in (or copy paste) sfc/scannow then after it's done type DISM /Online /Cleanup-image /RestoreHealth. This article helped me https://allthings.how/how-to-fix-windows-11-error-the-instruction-at-0x00007ff-referenced-memory-0x0000000-the-memory-could-not-be-written/

    1 person found this answer helpful.
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  4. Anonymous
    2024-05-04T04:48:44+00:00

    i understand that the cpu takes other measures to make sure stuff doesnt fail, but is there a reason for the rundll32 instance have over 500 instances? ive already ran an sfc scan and it said it repaired some corrupted files, but i dont think this was it. and this hasnt been happening for a while, it just started now. its starting to take a toll on my memory which i like to keep low for when i run games.

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  5. Anonymous
    2024-05-04T04:16:52+00:00

    Possibly an infection. Please share Farbar Recovery Scan Tool (FRST) logs.

    https://www.bleepingcomputer.com/download/farbar-recovery-scan-tool/

    • If your computer language is not English, rename FRST64.exe to FRST64English.exe
    • Run FRST and press "Scan"
    • Two logs are created in the folder that FRST is run from, FRST.txt and Addition.txt
    • Upload the logs to OneDrive, Google Drive or any file sharing service and post the share link

    Note: If you are downloading FRST with Edge, smartscreen will initially block it.

    Click on the 3 dots next to the warning and select Keep-> Show more-> Keep anyway.

    Share OneDrive files and folders - Microsoft Support

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