VirtualBox 4.1.8 r75467 win.amd64 (Dec 19 2011 13:40:06) release log
00:00:00.382 Log opened 2012-01-08T09:45:04.772318400Z
00:00:00.382 OS Product: Windows 7
00:00:00.382 OS Release: 6.1.7600
00:00:00.383 OS Service Pack:
00:00:00.385 Host RAM: 12278MB RAM, available: 9236MB
00:00:00.385 Executable: C:\Program Files\Oracle\VirtualBox\VirtualBox.exe
00:00:00.385 Process ID: 5112
00:00:00.385 Package type: WINDOWS_64BITS_GENERIC
00:00:00.385 Installed Extension Packs:
00:00:00.386 None installed!
00:00:00.395 pdmR3LoadR0U: pszName="VMMR0.r0" rc=VERR_LDR_MISMATCH_NATIVE szErr="supLoadModule returned VERR_LDR_MISMATCH_NATIVE"
00:00:00.396 VMSetError: D:\tinderbox\win-4.1\src\VBox\VMM\VMMR3\VM.cpp(591) vmR3CreateU; rc=VERR_LDR_MISMATCH_NATIVE
00:00:00.396 VMSetError: Failed to load VMMR0.r0
00:00:00.396 ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={1968b7d3-e3bf-4ceb-99e0-cb7c913317bb} aComponent={Console} aText={Failed to load VMMR0.r0 (VERR_LDR_MISMATCH_NATIVE)}, preserve=false
00:00:00.527 Power up failed (vrc=VERR_LDR_MISMATCH_NATIVE, rc=E_FAIL (0X80004005))