Issue with Virtualbox after Update

[Warren Block]

On Thu, 19 Mar 2015, Aric Gregson wrote:

> I updated yesterday the Virtualbox and now it will not start any of the
> virtual machines. I am trying to start the Windows XP that worked fine
> for the last year or more and this is the error I get:
>
> Result Code:
> NS_ERROR_FAILURE (0x80004005)
> Component:
> Machine
> Interface:
> IMachine {480cf695-2d8d-4256-9c7c-cce4184fa048}
>
> RTR3InitEx failed with rc=-1912 (rc=-1912)
>
> Any ideas? I suspect it has to do with the upgrade. I re-installed it
> today and it still does not work.

If there was an update to the vboxdrv kernel module 
(emulators/virtualbox-ose-kmod), the old one must be unloaded and the 
new one loaded.