On an Ubuntu guest system you should always use the virtualbox-ose- guest-x11 package instead of installing the additions through the iso image.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/738330 Title: Today's Natty update means no guest additions in virtualbox -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
