VirtualBox and Windows 8

squish8294

Honorable
Feb 24, 2013
139
0
10,690
So... my Host PC is running Windows 7 Utlimate 64-bit with 16 GB of RAM
I want the guest system to run Windows 8.1 64-bit using virtualbox, and I have enabled Intel Virtualization in the BIOS of my Motherboard, but VBox keeps cropping up with this error:
Code:
Failed to open a session for the virtual machine Win 8.1 64.

VT-x features locked or unavailable in MSR. (VERR_VMX_MSR_LOCKED_OR_DISABLED).

Result Code: E_FAIL (0x80004005)
Component: Console
Interface: IConsole {db7ab4ca-2a3f-4183-9243-c1208da92392}
I'm at a loss as to what to do, short of reinstalling VirtualBox?