VirtualBox COM Server 4.3.20 r96997 win.amd64 (Nov 24 2014 11:05:59) release log 00:00:00.015600 main Log opened 2015-02-06T01:21:43.418773000Z 00:00:00.015600 main Build Type: release 00:00:00.015600 main OS Product: Windows 7 00:00:00.015600 main OS Release: 6.1.7601 00:00:00.015600 main OS Service Pack: 1 00:00:00.031200 main DMI Product Name: 5931 00:00:00.046800 main DMI Product Version: Lenovo IdeaPad Z500 00:00:00.046800 main Host RAM: 8047MB total, 5938MB available 00:00:00.046800 main Executable: C:\Program Files\Oracle\VirtualBox\VBoxSVC.exe 00:00:00.046800 main Process ID: 4012 00:00:00.046800 main Package type: WINDOWS_64BITS_GENERIC 00:00:00.062400 Loading settings file "C:\Users\Silvestro/.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:00.218400 usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31) 00:00:00.702001 HostDnsMonitorProxy: Host's DNS information updated: 00:00:00.858001 VDInit finished 00:00:00.873601 Loading settings file "C:\Users\Silvestro\VirtualBox VMs\Linux Ubuntu 14.10\Linux Ubuntu 14.10.vbox" with version "1.14-windows" 00:00:04.319030 ERROR [COM]: aRC=VBOX_E_INVALID_VM_STATE (0x80bb0002) aIID={480cf695-2d8d-4256-9c7c-cce4184fa048} aComponent={Machine} aText={Machine is not locked for session (session state: Unlocked)}, preserve=false 00:00:08.804601 Load [C:\Program Files\Oracle\VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/win.amd64/VBoxHostWebcam.DLL] rc VINF_SUCCESS 00:00:08.817103 ERROR [COM]: aRC=VBOX_E_IPRT_ERROR (0x80bb0005) aIID={480cf695-2d8d-4256-9c7c-cce4184fa048} aComponent={SessionMachine} aText={Saved screenshot data is not available (VERR_NOT_SUPPORTED)}, preserve=false 00:02:01.579910 USBPROXY usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31) 00:02:02.422312 USBPROXY usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31)