Allows MEmu to launch even when Windows security or virtual machines are active.

Run the tool again and click "Restore Default Windows Boot Configuration". Then manually go to "Turn Windows features on or off" and uncheck "Hyper-V", "Virtual Machine Platform", and "Windows Hypervisor Platform". Reboot twice to fully clear the hypervisor stack.

The short answer is . In fact, leaving Hyper-V and Core Isolation enabled while running MEMU via WHPX is more secure than disabling them entirely. When you use the tool to simply enable WHPX without turning off Hyper-V, you retain protection features like: