I just upgraded my Virtualbox from 4.2.18 to 4.3.4 on my Windows 7 host, upgrade went smooth and without problem. When i tried to start virtual machines i got VT-x is not available. (VERR_VMX_NO_VMX) error on all of my VMs. My PC’s processor doesn’t have VT-x hence the “Acceleration” tab on VM’s Settings > System […]
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