Failed to open a session for the virtual machine Win 8.1. The virtual machine 'Win 8.1' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'C:\Users\myname\VirtualBox VMs\Win 8.1\Logs\VBoxHardening.log'. Result Code: E_FAIL (0x80004005) Component: MachineWrap Interface: IMachine {f30138d4-e5ea-4b3a-8858-a059de4c93fd}