Works fine for me on edgy. The duplicate is using xgl, might be using compiz and that might be a compiz issue
** Changed in: gnome-system-tools (Ubuntu) Status: Needs Info => Fix Released -- [network-admin] Window appears in taskbar as "untitled window" https://launchpad.net/bugs/48031 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs