Cannot enable Core Isolation in Windows 11 due to incompatible drivers

Anonymous
2022-08-30T20:52:47+00:00

Core isolation on Windows 11 not possible, in my case, because of these drivers

I tried to find them in Windows/Sys32/drivers (as suggested in other forums) and deleting them but with no success so how can I solve the problem allowing the activation of core isolation?

Original title:

Core isolation not allowed for driver incompatibility

Windows for home | Windows 11 | Security and privacy

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Sumit 44,316 Reputation points Volunteer Moderator
2022-09-01T13:17:52+00:00

Hi,

Here is what typically works for most of the users who know the driver name as it is mentioned in Windows Security. Apparently, Microsoft changed/updated the incompatible driver list recently, which has ended up this issue for most of the users.

Method 1:

You can get the list of drivers by running this command in the elevated command prompt:

dism /online /get-drivers /format:table

After that, Make note of the Published Name (ex: "oem13.inf") of the driver that is shown as problematic.

Then use the pnputil command to delete the driver from the device:

pnputil /delete-driver <Published Name> /uninstall /force​

Please note that running this command would remove the device driver and the next time you use the device, it would not work. Reinstalling the driver might help.

Method 2:

Another alternative is using Autoruns to delete the driver. Download it from here:

https://live.sysinternals.com/autoruns.exe

Run it as administrator.

Go to the Driver tab, locate the driver and delete the same.

[FIX] Memory integrity due to Incompatible drivers cannot be enabled - Your Windows Guide

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  1. Anonymous
    2022-09-21T12:15:28+00:00

    I have followed both drections. Neither one works on my computer. Do you have any other suggestions? What happens if it's not possible to enable core isollation?

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  2. VARADHARAJAN K 9,726 Reputation points Volunteer Moderator
    2022-09-17T12:07:14+00:00

    In windows 11, security is most preferred, without enabling of core isolation, malicious attacks might be happens in anytime,.

    According to me windows 11 with enabled core isolation is best protection

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  3. Anonymous
    2022-09-17T11:54:47+00:00

    Success with Autoruns deleting this menacing PUP having wasted way too much time trying other methods already. Thank you for the fix, core isolation now back up and running using Windows 11.

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  4. Anonymous
    2022-09-07T00:38:44+00:00

    Removed old device drivers = Success this afternoon.

    WD and MediaTek

    9/6/22:

    4:07 pm Device Manager Sys.Devices -> removed oem34 (Western Digital SES)

    4:09 pm Device Manager Sys.Devices -> removed oem16 (MediaTek CDC)

    4:12 pm Win 11 Settings -> Security : Core Isloation "ON", Restart

    4:15 pm WD 4 TB EasyStore installed, functional, Ejected

    4:18 pm Surface App wants to "Update" with OEM34 vers. 1.2.0.0 11/30/2017 (I deferred WD Update)

    The Surface App warned about old device drivers re: "Core Isolation" a few days ago 

    Why did the Microsoft Surface Application want to install a back revision Driver after removing it? 

    The Surface App now appears on screen automatically, but not in "Startup" 

    {surprise, looking to auto.minimize Surface Application }

    SG1024

    The driver removal result was checked w/command prompt : dism /online /get-drivers /format:table

    Surface Studio 2

    ========================

    Removed

    ========================

    Western Digital

    Device: WD SES Device

    Import Date: 2/14/2022

    Driver Date: 11/29/2017

    Driver vers: 1.2.0.0

    Published Name oem34.inf

    wdcsam64_prewin8.sys

    MediaTek Inc

    Import date: 2/14/2022

    Driver date: 1/21/2015

    Driver vers: 3.0.1504.0

    Published name: oem16.inf

    usb2ser.sys

    ======================== 

    OS Name Microsoft Windows 11 Pro

    Version 10.0.22000 Build 22000

    System SKU Surface_Studio_2_1707_Consumer

    Processor Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz, 2904 Mhz

    BIOS Mode UEFI

    Secure

    Boot State On

    Total

    Memory 32.0 GB

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