Application that crashed: 
Version of the application: 1.0
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic i686
Distribution: Linux Mint 7 Gloria - KDE Community Edition

What I was doing when the application crashed:
It crash imediatly when launching,
If i start it from command line the output is:
Traceback (most recent call last):
  File "/usr/bin/jockey-kde", line 485, in <module>
    sys.exit(u.run())
  File "/usr/lib/python2.6/dist-packages/jockey/ui.py", line 417, in run
    self.ui_show_main()
  File "/usr/bin/jockey-kde", line 152, in ui_show_main
    self.update_tree_model()
  File "/usr/bin/jockey-kde", line 313, in update_tree_model
    self.mw.label_heading.setText('<b>%s</b><br/><br/>%s' % self.main_window_text())
  File "/usr/lib/python2.6/dist-packages/jockey/ui.py", line 187, in main_window_text
    for h_id in self.backend().available(self.argv_options.mode):
  File "/usr/lib/python2.6/dist-packages/jockey/ui.py", line 88, in backend
    self._dbus_iface = Backend.create_dbus_client()
  File "/usr/lib/python2.6/dist-packages/jockey/backend.py", line 653, in create_dbus_client
    obj = bus.get_object(DBUS_BUS_NAME, '/DeviceDriver')
  File "/var/lib/python-support/python2.6/dbus/bus.py", line 244, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/var/lib/python-support/python2.6/dbus/proxies.py", line 241, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/var/lib/python-support/python2.6/dbus/bus.py", line 183, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/var/lib/python-support/python2.6/dbus/bus.py", line 281, in start_service_by_name
    'su', (bus_name, flags)))
  File "/var/lib/python-support/python2.6/dbus/connection.py", line 622, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ExecFailed: Failed to execute program /lib/dbus-1.0/dbus-daemon-launch-helper: Success
KCrash: Application '' crashing...
sock_file=/home/david/.kde/socket-david-laptop.lan/kdeinit4__0

[1]+  Stopped                 jockey-kde

 -- Backtrace:
Application: Jockey (), signal: Segmentation fault
[KCrash Handler]
#6  0xb69a952a in QWidget::metric (this=0x9cb67f0, m=QPaintDevice::PdmDpiY) at kernel/qwidget_x11.cpp:2580
#7  0xb6b0e989 in QFont (this=0xbfbe675c, font=@0xbfbe679c, pd=0x9cb67f8) at ../../include/QtGui/../../src/gui/painting/qpaintdevice.h:96
#8  0xb6967db7 in QWidgetPrivate::updateFont (this=0x9cb09d8, font=@0xbfbe679c) at kernel/qwidget.cpp:4450
#9  0xb6967ce8 in QWidgetPrivate::resolveFont (this=0x9cb09d8) at ../../include/QtGui/private/../../../src/gui/kernel/qwidget_p.h:274
#10 0xb6973883 in QWidget::setParent (this=0x9cb67f0, parent=0x0, f={i = -1078040480}) at kernel/qwidget.cpp:9253
#11 0xb6973c4e in QWidget::setParent (this=0xbfbe675c, parent=0xbfbe6764) at kernel/qwidget.cpp:9172
#12 0xb6979c36 in QWidgetAction::releaseWidget (this=0x9ca2aa8, widget=0x9cb67f0) at kernel/qwidgetaction.cpp:208
#13 0xb6d6582a in ~QMenu (this=0x9c9dce0) at widgets/qmenu.cpp:1367
#14 0xb54d56af in ~KMenu (this=0x9c9dce0) at /build/buildd/kde4libs-4.3.1/kdeui/widgets/kmenu.cpp:175
#15 0xb5479cdd in ~KSystemTrayIcon (this=0x9cbb518) at /build/buildd/kde4libs-4.3.1/kdeui/util/ksystemtrayicon.cpp:81
#16 0xb58d1ce1 in sipKSystemTrayIcon::~sipKSystemTrayIcon () from /usr/lib/python2.6/dist-packages/PyKDE4/kdeui.so
#17 0xb7b45e0f in QObjectPrivate::deleteChildren (this=0x9c7f080) at kernel/qobject.cpp:1847
#18 0xb696abbb in ~QWidget (this=0x9c6dcd0) at kernel/qwidget.cpp:1367
#19 0xb6e09a96 in ~QDialog (this=0x9c6dcd0) at dialogs/qdialog.cpp:298
#20 0xb7636f4f in ?? () from /var/lib/python-support/python2.6/PyQt4/QtGui.so
#21 0xb75d513b in ?? () from /var/lib/python-support/python2.6/PyQt4/QtGui.so
#22 0xb75d517d in ?? () from /var/lib/python-support/python2.6/PyQt4/QtGui.so
#23 0xb80bc688 in ?? () from /var/lib/python-support/python2.6/sip.so
#24 0xb80bc6c1 in ?? () from /var/lib/python-support/python2.6/sip.so
#25 0x080a90d5 in ?? ()
#26 0x0808e184 in ?? ()
#27 0x080a915b in ?? ()
#28 0x0808cb61 in ?? ()
#29 0x0808ee69 in PyDict_SetItem ()
#30 0x080909c1 in _PyModule_Clear ()
#31 0x080f17a2 in PyImport_Cleanup ()
#32 0x080fd90d in Py_Finalize ()
#33 0x0805c129 in Py_Main ()
#34 0x0805b972 in main ()

Reported using DrKonqi