(gksu:2902): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(gksu:2902): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(gksu:2902): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(gksu:2902): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
GNOME_SUDO_PASS
Sorry, try again.
GNOME_SUDO_PASS
Sorry, try again.
sudo: 3 incorrect password attempts
  1509/dev/snd/controlC0:  sean      F.... pulseaudio
AND