(compiz:1887): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
(gnome-control-center:29789): background-cc-panel-WARNING **: Could not load /usr/share/themes/Adwaita/index.theme: No such file or directory
(nautilus:1907): GLib-GObject-WARNING **: invalid uninstantiatable type `<invalid>' in cast to `GtkWidget'
(nautilus:1907): Gtk-CRITICAL **: gtk_widget_get_screen: assertion `GTK_IS_WIDGET (widget)' failed
(nautilus:1907): Gtk-CRITICAL **: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
(nautilus:1907): GLib-GObject-CRITICAL **: g_object_get: assertion `G_IS_OBJECT (object)' failed
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1516:46: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1521:55: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1525:58: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1529:55: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1533:64: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1537:67: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1595:73: Couldn't recognize the image file format for file '/usr/share/themes/Ambiance/gtk-3.0/assets/scrollbar_handle_vertical.png'
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1612:64: Couldn't recognize the image file format for file '/usr/share/themes/Ambiance/gtk-3.0/assets/scrollbar_handle.png'
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:769:55: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:773:55: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:777:67: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:781:64: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:785:64: Unrecognized image file format
(apport-gtk:16938): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:789:76: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1521:55: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1525:58: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1529:55: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1533:64: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1537:67: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1595:73: Couldn't recognize the image file format for file '/usr/share/themes/Ambiance/gtk-3.0/assets/scrollbar_handle_vertical.png'
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1612:64: Couldn't recognize the image file format for file '/usr/share/themes/Ambiance/gtk-3.0/assets/scrollbar_handle.png'
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:769:55: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:773:55: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:777:67: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:781:64: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:785:64: Unrecognized image file format
(apport-gtk:17526): Gtk-WARNING **: Theme parsing error: gtk-widgets-backdrop.css:789:76: Unrecognized image file format
(apport-gtk:19587): GdkPixbuf-CRITICAL **: gdk_pixbuf_composite: assertion `dest_x >= 0 && dest_x + dest_width <= dest->width' failed