Could not load the settings file '/home/sh/.VirtualBox/VirtualBox.xml' (VERR_OPEN_FAILED). FATAL ERROR: Not enough elements to match content model : 'All(MachineRegistry,DiskRegistry,USBDeviceFilters,SystemProperties,ExtraData)' Location: '/home/sh/.VirtualBox/VirtualBox.xml', line 29, column 12. Result Code: 0x80004005 Component: VirtualBox Interface: IVirtualBox {e1d95593-f579-4f47-b489-0b67181014e1}