The Memory Integrity error on Windows 11 is typically caused by corrupt system files. The WDcsam64.sys Driver Blocks Memory Integrity Activation is explained. However, note that installing Autoruns typically resolves the wdcsam64.sys error. It’s essential to always install drivers from the official manufacturer’s website.
WDcsam64.sys Driver Blocks Memory Integrity Activation
Important. Note that you need to complete this task as administrator. Likewise also see the BGM220 Bluetooth Modules as well as the Inspiron 3135 Network Driver PCIe GBE Realtek on this website.
This is an outdated driver that comes pre-installed with both Windows 10 and Windows 11, but very few people actually require it. In fact, we’ve never encountered a situation where any machine has used WDCSAM64_PREWIN8.SYS.
Thankfully, removing it is quite simple:
1. Right-click on the START button and choose WINDOWS TERMINAL (ADMIN).
If you’re using Windows 10, select POWERSHELL (ADMIN). Some will also right-click on the Windows Button and then click on “RUN” type in CMD. This will bring you to DOS.
2. You can then view all the drivers on your computer by using pnputil /enum-drivers and locate the one with WDCSAM64_PREWIN8.SYS, or you can refer to the error message. In my case, the driver that needs to be removed is OEM26.INF.
3. Uninstall the driver by using pnputil /delete-driver oem<XX>.inf
There’s no need to reboot, so you can immediately try enabling CORE ISOLATION again. You should receive a prompt to reboot once Core Isolation > Memory Integrity is turned ON.
This will solve you issues.
Driver Deleting Issues
I attempted the above solution but encountered the following message: “Failed to delete driver package: One or more devices are presently installed using the specified INF.”
However, I found a workaround for the same issue. If you add a space and then type /force, it will delete the driver without any problem. Simply copy this command and replace “oem.inf” with your specific INF number:
“`
pnputil /delete-driver oem.inf /force
“`
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