Memory integrity can not be switched due to incompatible driver wdcsam64_prewin8.sys

[MIKKF53]

wdcsam64_prewin8.sys

[A_Gayathri]

Hi @MIKKF53,

Welcome to the HP Support Community

I understand you are getting wdcsam64_prewin8.sys facing an issue with your HP ENVY. Not to worry I will help you to get a resolution to resolve the issue.

Update the BIOS, & Chipset drivers:

• Here's the link to download and install the above updates: Click here

If the issue persists, then Install updates from HP Support Assistant: Go to Download HP Support Assistant to install the tool and Update Windows.

• Select Start  > Settings  > Update & Security  > Windows Update , and then select Check for updates. If updates are available, install them

I hope this helps! Keep me posted. 

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!

[A_Gayathri]

Hi @MIKKF53,

Thank you for your 

Select the Start button and type “Core isolation”.

Select the Core Isolation system settings from the search results to open the Windows security app.

On the Core isolation page, you’ll find Memory integrity along with the toggle to turn it on

- If you receive a notification / message says that the memory integrity can't be turn on follow the below steps.

1. Try to scan and fix.

2. If it is not solved, please click on "Review any driver incompatibilities".

3.We can see a driver or more.

4. Please note the published name here is "oem46.inf"

5. Select the Start button and type “Device Manager" and follow as shown below.

6. Select the right driver from Device manager"oem46.inf" and right click and select remove driver.

Example :-

7. System needs to be restarted after removal of the driver.