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$ nautilus

Produces the following error output.

(nautilus:3653): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed    
(nautilus:3653): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed
Could not register the application: Timeout was reached
(nautilus:3653): Gtk-CRITICAL **: gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(nautilus:3653): GLib-GObject-WARNING **: invalid (NULL) pointer instance
(nautilus:3653): GLib-GObject-CRITICAL **: g_signal_connect_object: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

Nautilus used to work before recent Ubuntu automatic software update. Any help is appreciated.

I have tried the following based on suggestion on another similar thread.

$ sudo apt-get install --reinstall nautilus-data

It didn't change anything.

$ nautilus -c

Produces the following output.

running nautilus_self_check_file_utilities
running nautilus_self_check_file_operations
running nautilus_self_check_directory
running nautilus_self_check_file
running nautilus_self_check_canvas_container
running nautilus_self_check_file_utilities
running nautilus_self_check_file_operations
running nautilus_self_check_directory
running nautilus_self_check_file
running nautilus_self_check_canvas_container

marked as duplicate by karel, Zanna, MadMike, David Foerster, waltinator Mar 22 '17 at 14:29

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    see any of the recents - askubuntu.com/questions/779765/… askubuntu.com/questions/788182/… , basically quit nautilus & then restart it. – doug Oct 22 '16 at 21:11
  • Why this happens on rare occasion is apparently unknown. Next time it happens here maybe I can grab some info. (- here I just go nautilus -q & then click on the icon in launcher to restart. – doug Oct 23 '16 at 0:19

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