This seems to happen when the guest machine changes video mode. This can also be seen by dragging the guest VM window when it is changing mode (e.g. during boot up) -- the drag will continue but the window will jump out from under the mouse cursor, making for interesting effects.
-- 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