unable to launch nautilus

[Sten Jørgen Pettersen]

When launching nautilus from the icon, it flashes, but nothing shows up. When launching from the terminal, it fails with this message:

(nautilus:20100): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed

(nautilus:20100): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed
Could not register the application: Timeout was reached

(nautilus:20100): Gtk-CRITICAL **: gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed

(nautilus:20100): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(nautilus:20100): GLib-GObject-CRITICAL **: g_signal_connect_object: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

Ubuntu 16.04.1 LTS
nautilus:
  Installed: 1:3.18.4.is.3.14.3-0ubuntu5
  Candidate: 1:3.18.4.is.3.14.3-0ubuntu5
  Version table:
 *** 1:3.18.4.is.3.14.3-0ubuntu5 500
        500 http://no.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1:3.18.4.is.3.14.3-0ubuntu4 500
        500 http://no.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: nautilus 1:3.18.4.is.3.14.3-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-43.63-generic 4.4.21
Uname: Linux 4.4.0-43-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Oct 17 21:00:42 2016
GsettingsChanges:
 b'org.gnome.nautilus.window-state' b'sidebar-width' b'249'
 b'org.gnome.nautilus.window-state' b'geometry' b"'958x738+0+24'"
InstallationDate: Installed on 2015-09-10 (403 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
SourcePackage: nautilus
UpgradeStatus: Upgraded to xenial on 2016-04-22 (178 days ago)