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Windows Security - Core Isolation issue

johnpaultan07
Star II
Battery or AC: Both (battery non removable)
Model: ASUS Laptop 15 M509DA
Frequency of occurrence:
Reset OS:
Screenshot or video:
System: Windows 11
========================
Detailed description:
I can't turn on the Core Isolation - Memory Integrity.
I only saw this error after doing Windows update recently and using Mumu Player which is a PC Emulator by Netease.
I contacted Microsoft Support and there is still no update fix for it. I saw online that the usb2ser.sys by MediaTek is from Asus. Need help.
screenshot-2022-09-01-010405.png
screenshot-2022-09-01-010428.png
screenshot-2022-09-01-010457.png
screenshot-2022-09-01-010522.png

35 REPLIES 35

johnpaultan07
Star II
RAJU.MSC.MATHEMATICS

https://zentalk.asus.com/en/discussion/comment/232821#Comment_232821

Then try to update the Mediatek driver otherwise core isolation will not turn on. Windows 11 OS have strict driver policies, since few drivers worked fine windows 10 will not work on windows 11 core isolation.

New feature has been introduced from Windows 11 22h2,

screenshot-2022-10-16-185003.jpg


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Hello sir it doesn't show on mine

image.png

RAJU_MSC_MATHEM
Zen Master I
johnpaultan07

https://zentalk.asus.com/en/discussion/comment/232998#Comment_232998

Hello sir it doesn't show on mine

image.png


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This Microsoft vulnerable driver blocklist feature will be enabled after the turned-on Core isolation, only if windows 11 21H2 is upgraded to windows 11 22H2
For more information visit Microsoft's official site
Microsoft recommended driver block rules (Windows) - Windows security | Microsoft Learn
You should see in core isolation page
screenshot-2022-10-17-155741.jpg


johnpaultan07
Star II
RAJU.MSC.MATHEMATICS

https://zentalk.asus.com/en/discussion/comment/233125#Comment_233125

This Microsoft vulnerable driver blocklist feature will be enabled after the turned-on Core isolation, only if windows 11 21H2 is upgraded to windows 11 22H2

For more information visit Microsoft's official site

Microsoft recommended driver block rules (Windows) - Windows security | Microsoft Learn

You should see in core isolation page

screenshot-2022-10-17-155741.jpg


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Yes my Windows 11 home is already updated to the lastest version 22H2 a week ago. If you back read in this thread I posted the screeshot of it being updated a week ago.

RAJU_MSC_MATHEM
Zen Master I
johnpaultan07

https://zentalk.asus.com/en/discussion/comment/233129#Comment_233129

Yes my Windows 11 home is already updated to the lastest version 22H2 a week ago. If you back read in this thread I posted the screeshot of it being updated a week ago.


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But in your windows, core isolation is not turned on. so it won't show

johnpaultan07
Star II
RAJU.MSC.MATHEMATICS

https://zentalk.asus.com/en/discussion/comment/233134#Comment_233134

But in your windows, core isolation is not turned on. so it won't show


View post
After I updated to version 22H2 and did all windows update the Core Isolation still cannot be turned on because the same issue of incompatible driver by Mediatek usb2ser.sys