Again writing to say that this is not a shutdown issue, it's only the window that freezes. /usr/bin/gnome-power-cmd.sh works correctly.
** Also affects: gnome-power-manager (Ubuntu) Importance: Undecided Status: Unconfirmed -- shutdown window freezes everytime https://launchpad.net/bugs/88015 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs