nautilus crashes on start

[BeowulfOF]

midnatsol@midnatsol:~$ lsb_release -rd
Description: Ubuntu 15.10
Release: 15.10
midnatsol@midnatsol:~$ apt-cache policy nautilus
nautilus:
  Installiert: 1:3.14.2-0ubuntu13
  Installationskandidat: 1:3.14.2-0ubuntu13
  Versionstabelle:
 *** 1:3.14.2-0ubuntu13 0
        500 http://de.archive.ubuntu.com/ubuntu/ wily-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     1:3.14.2-0ubuntu12 0
        500 http://de.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages

nautilus crashes instead of start. starting from console gives the following output:

midnatsol@midnatsol:~$ nautilus

(nautilus:2221): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed

(nautilus:2221): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed
Could not register the application: Timeout was reached

(nautilus:2221): Gtk-CRITICAL **: gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed

(nautilus:2221): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(nautilus:2221): GLib-GObject-CRITICAL **: g_signal_connect_object: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
midnatsol@midnatsol:~$ ubuntu-bug nautilus
midnatsol@midnatsol:~$ [4093:4093:1101/175818:ERROR:background_mode_manager_aura.cc(14)] Not implemented reached in virtual void BackgroundModeManager::EnableLaunchOnStartup(bool)

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: nautilus 1:3.14.2-0ubuntu13
ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Nov 1 17:52:11 2015
EcryptfsInUse: Yes
GsettingsChanges: b'org.gnome.nautilus.list-view' b'default-column-order' b"['name', 'size', 'type', 'date_modified', 'date_accessed', 'owner', 'group', 'permissions', 'mime_type', 'where']"
InstallationDate: Installed on 2015-08-10 (83 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)

[Sebastien Bacher (seb128)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please try to obtain a backtrace following the instructions at http://wiki.ubuntu.com/DebuggingProgramCrash and upload the backtrace (as an attachment) to the bug report. This will greatly help us in tracking down your problem.

[Launchpad Janitor (janitor)]

[Expired for nautilus (Ubuntu) because there has been no activity for 60 days.]