Do all the people having that issue use and amd64 installation? I've commented upstream about that on http://bugzilla.gnome.org/show_bug.cgi?id=348305. That might be a GTK bug
** Changed in: metacity (Ubuntu) Status: Needs Info => Confirmed ** Bug watch added: GNOME Bug Tracker #348305 http://bugzilla.gnome.org/show_bug.cgi?id=348305 ** Also affects: metacity (upstream) via http://bugzilla.gnome.org/show_bug.cgi?id=348305 Importance: Unknown Status: Unknown -- False reports of "Window not responding" error https://launchpad.net/bugs/29584 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs