Try creating a window that is smaller than 640x480, does it still disappear? If not, this might be a duplicate of bug #414134.
-- Windows disappear when changing display metamode https://bugs.launchpad.net/bugs/407961 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