I think we're getting somewhere:
$ acroread Gtk-Message: Failed to load module "canberra-gtk-module": /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so: wrong ELF class: ELFCLASS64
I think we're getting somewhere:
$ acroread gtk-module" : /usr/lib/ gtk-2.0/ modules/ libcanberra- gtk-module. so: wrong ELF class: ELFCLASS64
Gtk-Message: Failed to load module "canberra-