The .vbox-prev(ious) is a backup file. I think it is overwritten with a
copy of the .vbox file every now and then when the .vbox file is
modified. The .vbox file is the actual configuration file, and the one
you have to edit to make this work. It is recommended to close
VirtualBox completely and wait several seconds (for the VBoxSVC process
to shut down) before editing the file.
--
Ivo
Op 3-2-2017 om 12:45 schreef Jd Lyons:
I changed my CPU from one that supports VT-x to one that doesn’t, now
none of my virtual machines will run
Failed to open a session for the virtual machine *Tiger*.
VT-x is not available (VERR_VMX_NO_VMX).
Result Code: NS_ERROR_FAILURE (0x80004005)
Component: ConsoleWrap
Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
I edited the .vbox-prev of the virtual machines, and added:
<HardwareVirtEx enabled=“false”/>
But every time I launch VB, it overwrites the settings, removes
<HardwareVirtEx enabled=“false”/>.
I can’t access the Acceleration tab in VB, it’s greyed out, but it
must have the VT-x checkbox checked?
Is there some preference file I need to delete?
macOS Sierra 10.12.2
VB 5.1.14 r112924 (Qt5.6.2)
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