Error VERR_INVALID_PARAMETER Installing Windows7

[Greenw00d1]

The host is Windows Vista Basic.
Following the instuction in Computer Active I have tried installing from an iso file, on a USB flash drive, and the dvd drive and the following is logged:

00:00:08.340 VirtualBox 2.2.4 r47978 win.x86 (May 29 2009 19:07:46) release log
00:00:08.340 Log opened 2009-06-30T13:03:21.452331400Z
00:00:08.340 OS Product: Windows Vista Home Basic Edition
00:00:08.340 OS Release: 6.0.6002
00:00:08.340 OS Service Pack: 2
00:00:08.340 Executable: C:\PROGRA~1\Sun\XVMVIR~1\VirtualBox.exe
00:00:08.340 Process ID: 2784
00:00:08.340 Package type: WINDOWS_32BITS_GENERIC
00:00:08.621 SUP: Loaded VMMR0.r0 (C:\PROGRA~1\Sun\XVMVIR~1/VMMR0.r0) at 0x8105d060 - ModuleInit at 0000000081069520 and ModuleTerm at 0000000081069570
00:00:08.621 SUP: VMMR0EntryEx located at 0000000081069dc0, VMMR0EntryFast at 0000000081069690 and VMMR0EntryInt at 0000000081069680
00:00:08.621 SUP: windbg> .reload /f C:\PROGRA~1\Sun\XVMVIR~1/VMMR0.r0=0x8105d060
00:00:08.621 ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={9511bc54-15ee-4ddf-808e-472aba03809c} aComponent={Console} aText={VM creation failed (GVMM) (VERR_INVALID_PARAMETER).
00:00:08.621 Unknown error creating VM (VERR_INVALID_PARAMETER)} aWarning=false, preserve=false
00:00:08.631 Power up failed (vrc=VERR_INVALID_PARAMETER, rc=E_FAIL (0X80004005))