(lxpanel:1436): Gtk-CRITICAL **: IA__gtk_window_group_remove_window: assertion `GTK_IS_WINDOW (window)' failed
(polkit-gnome-authentication-agent-1:1439): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(polkit-gnome-authentication-agent-1:1439): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
(notification-daemon:1443): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed
(update-notifier:1441): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed
(update-notifier:1441): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed
(update-notifier:1441): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed
(update-notifier:1441): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed
(update-notifier:1441): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed
(update-notifier:1441): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed