(nautilus:1448): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
(apport-gtk:2090): Gtk-WARNING **: GtkTreeView 0x97260a8 is mapped but visible child GtkButton 0x9728620 is not mapped
(apport-gtk:2090): Gtk-WARNING **: GtkTreeView 0x97260a8 is mapped but visible child GtkButton 0x9728620 is not mapped
(apport-gtk:2090): Gtk-WARNING **: GtkTreeView 0x97260a8 is mapped but visible child GtkButton 0x9728620 is not mapped
(rhythmbox:2288): Rhythmbox-WARNING **: Could not load plugin umusicstore
(rhythmbox:2288): Rhythmbox-WARNING **: Error, impossible to activate plugin 'Ubuntu One Music Store'