VirtualBox COM Server 4.2.10 r84104 win.amd64 (Mar 15 2013 19:08:54) release log 00:00:00.125000 main Log opened 2013-05-02T07:12:48.668802900Z 00:00:00.125000 main OS Product: Windows 8 00:00:00.125000 main OS Release: 6.2.9200 00:00:00.125000 main OS Service Pack: 00:00:00.172000 main DMI Product Name: 700Z3A/700Z4A/700Z5A/700Z5B 00:00:00.172000 main DMI Product Version: 0.1 00:00:00.172000 main Host RAM: 8105MB total, 5357MB available 00:00:00.172000 main Executable: C:\Program Files\Oracle\VirtualBox\VBoxSVC.exe 00:00:00.172000 main Process ID: 6044 00:00:00.172000 main Package type: WINDOWS_64BITS_GENERIC 00:00:00.188000 Loading settings file "C:\Users\Dezhi/.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:00.297000 usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31) 00:00:01.344000 VDInit finished 00:00:01.375000 Loading settings file "C:\Users\Dezhi\VirtualBox VMs\Ubuntu64\Ubuntu64.vbox" with version "1.12-windows" 00:00:02.172000 ERROR [COM]: aRC=VBOX_E_IPRT_ERROR (0x80bb0005) aIID={22781af3-1c96-4126-9edf-67a020e0e858} aComponent={SessionMachine} aText={Saved screenshot data is not available (VERR_NOT_SUPPORTED)}, preserve=false 00:05:22.219000 USBPROXY usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31) 00:13:27.766000 USBPROXY usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31) 00:17:12.672000 USBPROXY usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31) 00:17:13.578000 USBPROXY usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31) 00:17:14.594000 USBPROXY usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31) 00:17:15.610000 USBPROXY usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (31)