I have experienced all of these "glitches" with Virtualbox as well. I can confirm this occurs after the initial window opens just as the guest os starts to boot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/707930 Title: virtualbox window suddenly moves to another virtual desktop -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs