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This is the error it gave me:

Result Code: NS_ERROR_FAILURE (0x80004005)
Component: Console
Interface: IConsole {6375231a-c17c-464b-92cb-ae9e128d71c3}

This is from the log:

00:00:02.893 ********************* End of statistics **********************
00:00:02.992 VMSetError: /Users/vbox/tinderbox/3.1-mac-rel/src/VBox/VMM/VM.cpp(323) int VMR3Create(uint32_t, void (*)(VM*, void*, int, const char*, unsigned int, const char*, const char*, char*), void*, int (*)(VM*, void*), void*, VM**)
00:00:02.992 VMSetError: Unknown error creating VM
00:00:02.992 ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={6375231a-c17c-464b-92cb-ae9e128d71c3} aComponent={Console} aText={VT-x is not available. (VERR_VMX_NO_VMX).
00:00:02.992 Unknown error creating VM (VERR_VMX_NO_VMX)} aWarning=false, preserve=false
00:00:03.089 Power up failed (vrc=VERR_VMX_NO_VMX, rc=NS_ERROR_FAILURE (0X80004005))


Help I really need this so I can test my websites in IE

According to the log file you are trying to use VT-x/AMD-v and the host can not provide it for what ever reason.
Take the check mark out of VT-x/AMD-v in the guest settings and see if it will start.

I looked and that check box is greyed out

KeironLowe wrote:I looked and that check box is greyed out

Check out this topic, http://forums.virtualbox.org/viewtopic. ... ed#p123333