Fix: WDCSAM64_PREWIN8.SYS Core Isolation Turned Off

Drivers incompatibility often leads to this error on Windows

3 min. read

Updated onFebruary 21, 2024

updated onFebruary 21, 2024

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WDCSAM64_PREWIN8.SYS is an old driver found in both Windows 10 and Windows 11. It is not an essential file in the computer, so its unavailability won’t cause any issues with the system.

Furthermore, WDCSAM64_PREWIN8.SYS is a driver from Western Digital Technologies. The driver can get installed on your PC if you have any Western Digital hard disk drive or other devices.

The error message is often: Core Isolation Memory Integrity Fails to Enable Because of Incompatible Driver WDCSAM64_PREWIN8.SYS. It can occur on your PC due to corrupt system files andmissing or incompatible drivers.

What can I do if WDCSAM64 PREWIN8.SYS Core Isolation is turned off?

1. Remove the driver using the DISM and PNPUtil tools

Removing the driver can get rid of the interference it has with Memory Integrity. Check our guide onhow to fix Command Prompt not workingon your PC.

2. Update Windows Operating System

Updating Windows will fix the bugs causing errors on your PC and resolve compatibility issues affecting the driver. Read aboutfixing Windows not connecting to update serviceif the error occurs on your PC.

3. Update the wdcsam64_prewin8.sys driver and other concerned drivers

Updating the driver will resolve compatibility issues and fix bugs causing it to impede the Memory integrity processes on your PC.

4. Run an SFC scan

Running an SFC scan will scan and repair corrupt system files causing the WDCSAM64_PREWIN8.SYS error.

Checkhow to fix the Run as administrator option if it’s not workingon your PC. Alternatively, you may take a look at our guide onWdcsam64.sys Memory Integrity Error on Windows 11for more troubleshooting steps.

Also, you can check our detailed guide about theBrusbsib.sys Incompatible Driver errorand ways you can fix it.

If you have any questions or suggestions, kindly drop them below in the comments section.

Fix: WDCSAM64_PREWIN8.SYS Core Isolation Turned Off#

What can I do if WDCSAM64 PREWIN8.SYS Core Isolation is turned off?#

1. Remove the driver using the DISM and PNPUtil tools#

2. Update Windows Operating System#

3. Update the wdcsam64_prewin8.sys driver and other concerned drivers#

4. Run an SFC scan#