I have had the same problem, but after installing virtualbox-ose- guest-x11 as Felix proposed, it works again. I have also enabled 3D acceleration in VirtualBox' settings for my virtual machine, but I don't know if that is necessary.
-- vboxvideo driver missing https://bugs.launchpad.net/bugs/342207 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs