VirtualBox (XP)COM Server 4.1.0 r73009 win.amd64 (Jul 19 2011 13:06:07) release log
00:00:00.031 main     Log opened 2011-07-31T20:16:38.177713600Z
00:00:00.031 main     OS Product: Windows 7
00:00:00.031 main     OS Release: 6.1.7601
00:00:00.031 main     Executable: C:\Program Files\VirtualBox\VBoxSVC.exe
00:00:00.031 main     Process ID: 3856
00:00:00.031 main     Package type: WINDOWS_64BITS_GENERIC
00:00:00.561          usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31)
00:00:02.964          VDInit finished
00:00:50.060 USBPROXY usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31)
00:01:11.932 USBPROXY usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31)
00:01:40.901 USBPROXY usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31)