Ensure that VT-x is listed in the Instructions pane.

To disable hardware acceleration, follow these steps: Click Start, and then click Internet Explorer. Making use of these facilities, VirtualBox can run each guest VM in its own separate address space the guest OS ring 0 code runs on the host at ring 0 in VMX non-root mode rather than in ring 1. Xen offers near-native speed for the OS-es that run as guests in a Xen virtual machine, but requires you to modify the code of the guest OS in order to get these speeds. and I can’t change the value for the processor. The hardware virtualization is enabled in the acceleration section of the system page on mac Also tried to enable and disable Hyper-V from windows features on or off.