(nautilus:1923): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed (nautilus:1923): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed (update-manager:2188): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed (update-manager:2188): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed (update-manager:2188): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed (update-manager:2188): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed (update-manager:2188): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed (update-manager:2188): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed (update-manager:2188): Gtk-CRITICAL **: gtk_text_buffer_emit_insert: assertion `g_utf8_validate (text, len, NULL)' failed (Tomboy:1935): Gtk-CRITICAL **: IA__gtk_text_tag_table_remove: assertion `tag->table == table' failed (Tomboy:1935): Gtk-CRITICAL **: gtk_tree_model_sort_iter_next: assertion `tree_model_sort->stamp == iter->stamp' failed (Tomboy:1935): Gtk-CRITICAL **: /build/buildd/gtk+2.0-2.24.6/gtk/gtktreeview.c:6304 (do_validate_rows): assertion `gtk_tree_model_iter_next (tree_view->priv->model, &iter)' failed. (Tomboy:1935): Gtk-CRITICAL **: gtk_tree_model_sort_get_value: assertion `VALID_ITER (iter, tree_model_sort)' failed (Tomboy:1935): Gtk-CRITICAL **: gtk_tree_model_sort_iter_next: assertion `tree_model_sort->stamp == iter->stamp' failed (Tomboy:1935): Gtk-CRITICAL **: /build/buildd/gtk+2.0-2.24.6/gtk/gtktreeview.c:6304 (do_validate_rows): assertion `gtk_tree_model_iter_next (tree_view->priv->model, &iter)' failed.