[arch-general] Virtualbox can't start a guest caused by NS_ERROR_FACTORY_NOT_REGISTERED

PS: After launching Virtualbox: [rocketmouse@archlinux .VirtualBox]$ grep ERROR VBoxSVC.log [rocketmouse@archlinux .VirtualBox]$ After selecting a VM and pushing start: [rocketmouse@archlinux .VirtualBox]$ grep ERROR VBoxSVC.log 00:02:14.653426 nspr-3 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 [rocketmouse@archlinux .VirtualBox]$