Confirmed. If compiz-gnome isn't installed, the Desktop Effects settings thingy says "Failed to execute child process "gtk-window-decorator" (No such file or directory)" when trying to enable desktop effects.
** Changed in: desktop-effects (Ubuntu) Status: Unconfirmed => Confirmed -- Missing dependency https://launchpad.net/bugs/75409 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs