id summary reporter owner description type status component version resolution keywords cc guest host 5133 Virtualbox cannot start VM on Server 08 x64, cannot access VT-x (no option to disable) Andrew Upgraded from 3.0.6 to 3.0.8 and downgraded back down to 3.0.6. Cannot restart the VM because of a VT-x error. defect closed VM control VirtualBox 3.0.8 worksforme VT-x error Linux Windows