Some Windows 11/10 users report that they encounter the Wdcsam64.sys memory integrity error when enabling core isolation.

Wdcsam64.sys is a driver associated with WD External Storage developed by Western Digital Technologies.

The issue can be triggered by corrupted system files, incompatible drivers, or virus and malware.

check Show hidden files, folders, and drives

Its highly recommended to back up your data or system withMiniTool ShadowMaker.

Besides, the corrupted system files can cause your system to boot failure.

you could restore your system to the normal state if you have backed it up in advance.

How to Fix Wdcsam64_prewin8.sys Core Isolation Turned off

Here is how to do that:

Step 1: PressWindows+Rkeys together to open theRunbox.

Then, typeappwiz.cplin it and clickOKto openPrograms and Features.

Step 2: FindWD Discoveryin the list and right-click it to chooseUninstall.

How to Remove Autorun Virus from PC/USB Flash Drive?

Then, follow the on-screen instructions to perform the uninstallation.

Step 3: Press theWindows + Ekeys together to openFile Explorer.

Step 4: Click theSee moreoption and chooseOptions.

click Show hidden devices

Then, go toView> checkShow hidden files, folders, and drives.

Step 5: Go toLocal Disk (C:) > Users.

Double-poke the folder named with your Username.

Step 6: Go toAppData > Local > Temp.

Delete all the folders titledWD Discovery.

Step 1: Navigate tothis pageand download Autoruns.

Step 2: ExtractAutoruns.zipand launch the app.

Step 3: Then, typewdcsam64in the search box and pressEnter.

Step 4: Look for the wdcsam64-related items and delete them.

What is autorun virus?

How to remove it from your rig?

In this post, you will get satisfying answers!

Step 1: TypeDevice Managerin theSearchbox.

Step 2: ClickView > Show hidden devices.

Step 3: FindWD Drive Management devices.

Right-clickWD SES Deviceand selectUninstall.

Step 1: Run Command Prompt as administrator.

Step 2: Once done, reboot your system.

If the issue still exists, run Command Prompt as administrator again.

Step 3: Then throw in the following commands and pressEnterafter each one.

If you want to fix the issue, you might take the above solutions.

If you have any different ideas to fix the issue, you could share them in the comment zone.