Windows 10: core isolation driver error

Discus and support core isolation driver error in Windows 10 Gaming to solve the problem; How to fix ctxva51.sys driver error? It makes memory integrity off as incompatible driver.... Discussion in 'Windows 10 Gaming' started by BenkerST, Sep 2, 2022.

  1. BENKERST
    BenkerST Win User

    core isolation driver error


    How to fix ctxva51.sys driver error? It makes memory integrity off as incompatible driver.

    :)
     
    BenkerST, Sep 2, 2022
    #1
  2. SANFRANDAVE
    sanfrandave Win User

    core isolation blocked by ew_usbccgpfilter.sys

    Windows 11 Pro Eval Build 22581 on SurfaceBook1

    Core Isolation was disabled, due to Western Digital drivers, and HuaWei drivers, including the star of our show, ew_usbccgpfilter.sys!

    Go to Privacy and Security, in Core Isolation, open Core Isolation Details, run the scan, on the report, expand all together, and screenshot it, so you've got your "hit list".

    The WD drivers and all the other HW drivers were deleted in Device Manager, .view . devices by driver, go down to the target, give it the big D!

    Now for the exception: ew_~.sys is not locatable in Device driver. I tried sending Windows Search out for it, but even most of an hour came back as a failure - no data.

    I searched about the internet, got some ideas to look in various "driver* " locations, and voila! I found the bugger in Windows > System32> drivers.

    Deletion was easy, then went back to Privacy & Security, enabled core isolation, and rebooted.

    I wish this had never happened. I wasted three hours on the result of corporate negligence.
     
    sanfrandave, Sep 2, 2022
    #2
  3. RICHARD GALENTE
    Richard Galente Win User
    Core isolation not turning on

    I am running a AMD build with windows 10 and had my core isolation on prior. I downloaded an update on a driver for my Elgato game capture and now my Core isolation will not turn back on.
     
    Richard Galente, Sep 2, 2022
    #3
  4. NARESH_K
    Naresh_K Win User

    core isolation driver error

    core isolation disabled itself in bios on new computer

    Hello Khynnea,



    Thank you for writing to Microsoft Community Forums.



    It can be the BIOS update released by your manufacturer through windows updates which might have changed the status from Enabled to disabled. However here are the steps to enable it again.



    • Open start menu and search for Windows Defender Security Center.
    • Go to Device Security.
    • You will be able to find Core Isolation, please click on Core Isolation details.
    • Then you can turn it on.

    Restart is restart is required for the changes to be effective. Please write back, if you need any further assistance.

    Hope it helps.



    Naresh Kumar

    Microsoft Community - Moderator
     
    Naresh_K, Sep 2, 2022
    #4
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core isolation driver error

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