Xfce xfsettingsd core dump

Just recently every time I start xfce I get an xfsettingsd core dump.

I start it via startx using the xinitrc file included in xfce4-session, the desktops loads after about five seconds and works fine.

Console messages:

Code:
(xfsettingsd:15444): xfsettingsd-ERROR **: 15:08:46.128: Unable to open display.                                               
Unable to init server: Could not connect: Abstract UNIX domain socket addresses not supported on this system                   
Unable to init server: Could not connect: Abstract UNIX domain socket addresses not supported on this system                   
Unable to init server: Could not connect: Abstract UNIX domain socket addresses not supported on this system                                                                                                                               
(xfsettingsd:15443): xfsettingsd-ERROR **: 15:08:46.129: Unable to open display.                                               
                                                                                                                                
(xfsettingsd:15435): xfsettingsd-ERROR **: 15:08:46.129: Unable to open display.                                               
                                                                                                                                
(xfsettingsd:15442): xfsettingsd-ERROR **: 15:08:46.129: Unable to open display.                                               
                                                                                                                                
(xfdesktop:15447): GVFS-RemoteVolumeMonitor-WARNING **: 15:08:47.554: remote volume monitor with dbus name org.gtk.vfs.HalVolume
Monitor is not supported

(xfdesktop:15447): GVFS-RemoteVolumeMonitor-WARNING **: 15:08:47.559: remote volume monitor with dbus name org.gtk.vfs.GPhoto2Vo
lumeMonitor is not supported                                                                                                   
                                                                                                                                
(xfsettingsd:14744): GVFS-RemoteVolumeMonitor-WARNING **: 15:08:47.589: remote volume monitor with dbus name org.gtk.vfs.HalVolu
meMonitor is not supported                                                                                                     
                                                                                                                                
(wrapper-2.0:15456): GLib-GIO-CRITICAL **: 15:08:47.778: g_file_new_for_path: assertion 'path != NULL' failed                   
                                                                                                                                
(wrapper-2.0:15456): GLib-GIO-CRITICAL **: 15:08:47.778: g_file_monitor_file: assertion 'G_IS_FILE (file)' failed               
                                                                                                                                
(wrapper-2.0:15456): GLib-GObject-WARNING **: 15:08:47.778: invalid (NULL) pointer instance

(wrapper-2.0:15456): GLib-GObject-CRITICAL **: 15:08:47.778: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)'
 failed                                                                                                                         
                                                                                                                                
(wrapper-2.0:15456): Gtk-WARNING **: 15:08:47.778: Attempting to add a widget with type GtkToggleButton to a container of type X
fcePanelPlugin, but the widget is already inside a container of type XfcePanelPlugin, please remove the widget from its existing
 container first.                                                                                                               
                                                                                                                                
(wrapper-2.0:15456): Gtk-WARNING **: 15:08:47.802: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget
 (node button, owner GtkToggleButton)
 
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