Version:            (using KDE 4.2.90)
OS:                Linux
Installed from:    Ubuntu Packages

click on kontact shortcut icon in panel, attempts to launch "kontact". Kontact has default configuration.

Generates error message and backtrace below. Occasional error, no other applications open. Each time, the next icon-click launches Kontact successfully.

Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  Kontact::MainWindow::activatePluginModule (this=0x260bc50) at /build/buildd/kdepim-4.2.90/kontact/src/mainwindow.cpp:300
#6  0x00000000004036a2 in KontactApp::newInstance (this=0x7fff3a3815b0) at /build/buildd/kdepim-4.2.90/kontact/src/main.cpp:147
#7  0x00007f802e83dfa6 in KUniqueApplicationAdaptor::newInstance (this=0x26a7010, asn_id=<value optimized out>, args=@0x2d87ba0)
    at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kuniqueapplication.cpp:454
#8  0x00007f802e83e032 in KUniqueApplicationAdaptor::qt_metacall (this=0x26a7010, _c=QMetaObject::InvokeMetaMethod, _id=976749263, _a=0x7fff3a380850)
    at /build/buildd/kde4libs-4.2.90/obj-x86_64-linux-gnu/kdeui/kuniqueapplication_p.moc:75
#9  0x00007f802cb65f83 in QDBusConnectionPrivate::deliverCall (this=0x25f7060, object=0x26a7010, msg=@0x383d9d0, metaTypes=@0x27535e0, slotIdx=4) at qdbusintegrator.cpp:891
#10 0x00007f802cb672a8 in QDBusConnectionPrivate::activateCall (this=0x25f7060, object=0x26a7010, flags=337, msg=@0x383d9d0) at qdbusintegrator.cpp:803
#11 0x00007f802cb678d1 in QDBusConnectionPrivate::activateObject (this=0x25f7060, node=@0x383d9a8, msg=@0x383d9d0, pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1352
#12 0x00007f802cb67be8 in QDBusActivateObjectEvent::placeMetaCall (this=0x383d960) at qdbusintegrator.cpp:1469
#13 0x00007f802c857848 in QObject::event (this=0x7fff3a3815b0, e=0x383d960) at kernel/qobject.cpp:1118
#14 0x00007f802d402b9a in QApplication::event (this=0x7fff3a3815b0, e=0x383d960) at kernel/qapplication.cpp:2334
#15 0x00007f802d3ff78d in QApplicationPrivate::notify_helper (this=0x261dd60, receiver=0x7fff3a3815b0, e=0x383d960) at kernel/qapplication.cpp:4084
#16 0x00007f802d40797a in QApplication::notify (this=0x7fff3a3815b0, receiver=0x7fff3a3815b0, e=0x383d960) at kernel/qapplication.cpp:4049
#17 0x00007f802e83706b in KApplication::notify (this=0x7fff3a3815b0, receiver=0x7fff3a3815b0, event=0x383d960) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:302
#18 0x00007f802c84775c in QCoreApplication::notifyInternal (this=0x7fff3a3815b0, receiver=0x7fff3a3815b0, event=0x383d960) at kernel/qcoreapplication.cpp:602
#19 0x00007f802c8483ca in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x25d9690) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#20 0x00007f802c8711e3 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#21 0x00007f8025f7e20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0x00007f8025f818e0 in ?? () from /usr/lib/libglib-2.0.so.0
#23 0x00007f8025f81a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0x00007f802c870e6f in QEventDispatcherGlib::processEvents (this=0x25d8ea0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#25 0x00007f802d497bef in QGuiEventDispatcherGlib::processEvents (this=0x260bc50, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#26 0x00007f802c846002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 976753872}) at kernel/qeventloop.cpp:149
#27 0x00007f802c8463cd in QEventLoop::exec (this=0x7fff3a381510, flags={i = 976753952}) at kernel/qeventloop.cpp:200
#28 0x00007f802c848694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#29 0x0000000000404945 in main (argc=1, argv=0x7fff3a381c98) at /build/buildd/kdepim-4.2.90/kontact/src/main.cpp:218