Are you sure that the package virtualbox-ose-guest-utils is installed inside your guest OS?
-- 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
