If you are trying to enable (a feature of Core Isolation) in Windows 11 Security but are blocked by a driver incompatibility error pointing to jaksta_va.sys , you are not alone. This issue is caused by remnants of Jaksta Media Recorder (or related software like Applian Technologies products) lingering on your system.
Here is how to resolve the issue.
Go back to Windows Security > Device Security > Memory Integrity and toggle the switch to On . memory integrity error windows 11 jaksta_va.sys
The jaksta_va.sys error is rarely a security threat; it is simply a leftover driver that conflicts with Windows 11's strict virtualization standards. Once the file is removed via the uninstaller or manually deleted, the Memory Integrity feature should enable without issue. If you are trying to enable (a feature
The jaksta_va.sys driver uses older capture methods that are incompatible with Hypervisor-Protected Code Integrity (HVCI). Windows will automatically disable Memory Integrity to allow these drivers to load, or prevent the driver from loading if Memory Integrity is already on. How to Fix the Error Go back to Windows Security > Device Security