VirtualBox 4.1.20 r80170 win.x86 (Aug 20 2012 17:30:49) release log 00:00:00.545 Log opened 2012-08-30T07:45:03.590491700Z 00:00:00.545 OS Product: Windows 7 00:00:00.545 OS Release: 6.1.7601 00:00:00.545 OS Service Pack: 1 00:00:00.547 Host RAM: 3241MB RAM, available: 1883MB 00:00:00.547 Executable: C:\Program Files\Oracle\VirtualBox\VirtualBox.exe 00:00:00.547 Process ID: 7768 00:00:00.547 Package type: WINDOWS_32BITS_GENERIC 00:00:00.547 Installed Extension Packs: 00:00:00.547 Oracle VM VirtualBox Extension Pack (Version: 4.1.20 r80170; VRDE Module: VBoxVRDP) 00:00:00.560 pdmR3LoadR0U: pszName="VMMR0.r0" rc=VERR_LDR_MISMATCH_NATIVE szErr="supLoadModule returned VERR_LDR_MISMATCH_NATIVE" 00:00:00.560 VMSetError: D:\tinderbox\win-4.1\src\VBox\VMM\VMMR3\VM.cpp(591) vmR3CreateU; rc=VERR_LDR_MISMATCH_NATIVE 00:00:00.560 VMSetError: Failed to load VMMR0.r0 00:00:00.560 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 00:00:00.594 Power up failed (vrc=VERR_LDR_MISMATCH_NATIVE, rc=E_FAIL (0X80004005))