In LUCID, similar message does appear when trying to fill a bug using ubuntu-bug from a terminal, regarding gnome-power-preferences, as follows:
~$ ubuntu-bug gnome-power-preferences Gtk-Message: Failed to load module "pk-gtk-module": libpk-gtk-module.so: no se puede abrír el archivo de objeto compartido: No existe el fichero ó directorio The bug I found it's that the whole SYSTEM FREEZES when I try to adjust screen brightness by dragging the slider at gnome-power-preferences in System > Preferences. Also I can't adjust the brightness of the monitor by the brightness applet. Possible related bugs: Bug #535097 Bug #572226 -- Gtk-Message **: Failed to load module "pk-gtk-module": libpk-gtk-module.so: cannot open shared object file: No such file or directory at https://bugs.launchpad.net/bugs/389766 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs