﻿id	summary	reporter	owner	description	type	status	component	version	resolution	keywords	cc	guest	host
10965	Cannot start VM in Mac OS X 10.8.2 => Fixed in SVN	rdwdivx		"I have already upgraded to Vbox 4.2 and it was working fine. I then upgraded to OS X 10.8.2 today, and when booting any VM, I get the following error: 

VT-x is being used by another hypervisor. (VERR_VMX_IN_VMX_ROOT_MODE).
VirtualBox can't operate in VMX root mode. Please close all other virtualization programs. (VERR_VMX_IN_VMX_ROOT_MODE).

Apparently this was an issue already present in the 10.8.2 beta, but it was not fixed on Apple's side. "	defect	closed	other	VirtualBox 4.2.0	fixed	10.8.2 vmx		Linux	Mac OS X
