The virtual machine '112_default_1441355258687_31623' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'C:\..\112_default_1441355258687_31623\Logs\VBoxHardening.log'.
Rough order of events: installed Vbox 5.0.14 and the VMs worked briefly (after a struggle to remove all remnants of an earlier 4.x). I installed and used vagrant to create a VM, but neither the new nor VMs would open; I followed a number of forum of instructions to reinstall, install drivers - worked again; restarted host to install Windows upgrade - gone again; upgraded Vbox to 5.0.16 - still nothing.
Hosted on Windows 7 Enterprise 64-bit SP1
Linux guests
VirtualBox 5.0.14, recently upgraded to 5.0.16 with no change.
Antivirus McAfee v4.8.0.1938 - I can turn this off briefly if necessary
Result Code:
E_FAIL (0x80004005)
Component:
MachineWrap
Interface:
IMachine {f30138d4-e5ea-4b3a-8858-a059de4c93fd}
Any help appreciated!