Confirmed on a second (RANDR-enabled) machine running Jaunty:
$ acroread (acroread-deu:21979): Gtk-WARNING **: /usr/lib/gtk-2.0/2.10.0/engines/libqt4engine.so: wrong ELF class: ELFCLASS64 (acroread-deu:21979): Gtk-WARNING **: /usr/lib/gtk-2.0/2.10.0/engines/libqt4engine.so: wrong ELF class: ELFCLASS64
Same error.
Confirmed on a second (RANDR-enabled) machine running Jaunty:
$ acroread deu:21979) : Gtk-WARNING **: /usr/lib/ gtk-2.0/ 2.10.0/ engines/ libqt4engine. so: wrong ELF class: ELFCLASS64 deu:21979) : Gtk-WARNING **: /usr/lib/ gtk-2.0/ 2.10.0/ engines/ libqt4engine. so: wrong ELF class: ELFCLASS64
(acroread-
(acroread-
Same error.