(nautilus:1809): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
(nautilus:1809): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
(gnome-settings-daemon:1686): Gdk-CRITICAL **: gdk_window_thaw_toplevel_updates_libgtk_only: assertion `window->update_and_descendants_freeze_count > 0' failed
(bluetooth-applet:1814): Gdk-CRITICAL **: gdk_window_thaw_toplevel_updates_libgtk_only: assertion `window->update_and_descendants_freeze_count > 0' failed
(gwibber-service:2130): libindicate-WARNING **: Menu being changed when the indicator is visible.  Listeners will NOT be notified of this change.
(opera-next:2920): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
(opera-next:2920): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(software-center:2842): Gdk-CRITICAL **: gdk_window_get_pointer: assertion `GDK_IS_WINDOW (window)' failed
(exe:4287): Gdk-WARNING **: XID collision, trouble ahead
(exe:4287): Gdk-WARNING **: XID collision, trouble ahead
(totem-plugin-viewer:5891): Gdk-WARNING **: The GDK_NATIVE_WINDOWS environment variable is not supported in GTK3.