Disable Virtualization Based Security
Virtualization-Based Security (VBS) also known as Core Isolation, is a Windows feature enabled by default in Windows 11. VBS allows Windows to create a secure memory sandbox that is isolated from potentially unsafe code. This has the benefit of protecting your system from unsigned or potentially dubious drivers and software from accessing memory. Unfortunately, VBS has a significant performance cost, by as much as 15-20%, especially when gaming is involved.
If you want to turn off VBS/Core Isolation, follow these steps.
- Open System Information. Search for "system information" in Windows search.
- Scroll down to find "Virtualization-based security. If it says "Running", then VBS is turned on. If it says "Not Enabled" then it is turned off, and you don't need to do anything else.
- Search for "core isolation" in Windows search.
- Toggle Memory Integrity to OFF. If it is already Off, then you're done.
- Reboot your PC when prompted.
- Check System Information again. Confirm that Virtualization-based security shows "Not Enabled". If it does, then you are done.
