Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I was using Firefox and working in a web site when the KDE Crash Reporting Assistant popped up.

About 30 minutes before I started using Firefox, I had saved an e-mail message from Kmail to the Ubuntu Linux File System.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  KMail::MessageListView::Widget::getSelectionStats (this=0x20589d0, selectedSernums=..., selectedVisibleSernums=<value optimized out>, allSelectedBelongToSameThread=<value optimized out>, 
    includeCollapsedChildren=<value optimized out>) at ../../kmail/messagelistview/widget.cpp:580
#6  0x00007f53a268dc1e in KMMainWidget::updateMessageActions (this=0x2059590) at ../../kmail/kmmainwidget.cpp:4274
#7  0x00007f53a26a47bd in KMMainWidget::qt_metacall (this=0x2059590, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8c96f120) at ./kmmainwidget.moc:367
#8  0x00007f53bd5c9ddc in QMetaObject::activate (sender=0x23f7230, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#9  0x00007f53bd5c3d83 in QObject::event (this=0x23f7230, e=0x1) at kernel/qobject.cpp:1075
#10 0x00007f53bded4efc in QApplicationPrivate::notify_helper (this=0x18a7620, receiver=0x23f7230, e=0x7fff8c96f720) at kernel/qapplication.cpp:4056
#11 0x00007f53bdedc1ce in QApplication::notify (this=0x7fff8c96fa80, receiver=0x23f7230, e=0x7fff8c96f720) at kernel/qapplication.cpp:4021
#12 0x00007f53beb0bab6 in KApplication::notify (this=0x7fff8c96fa80, receiver=0x23f7230, event=0x7fff8c96f720) at ../../kdeui/kernel/kapplication.cpp:302
#13 0x00007f53bd5b4c2c in QCoreApplication::notifyInternal (this=0x7fff8c96fa80, receiver=0x23f7230, event=0x7fff8c96f720) at kernel/qcoreapplication.cpp:610
#14 0x00007f53bd5df862 in QCoreApplication::sendEvent (this=0x189fae0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#15 QTimerInfoList::activateTimers (this=0x189fae0) at kernel/qeventdispatcher_unix.cpp:572
#16 0x00007f53bd5dd25d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#17 0x00007f53b6e2ebbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#18 0x00007f53b6e32588 in ?? () from /lib/libglib-2.0.so.0
#19 0x00007f53b6e326b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#20 0x00007f53bd5dd1a6 in QEventDispatcherGlib::processEvents (this=0x1873cb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#21 0x00007f53bdf694be in QGuiEventDispatcherGlib::processEvents (this=0x2047120, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#22 0x00007f53bd5b3532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#23 0x00007f53bd5b3904 in QEventLoop::exec (this=0x7fff8c96f9c0, flags=) at kernel/qeventloop.cpp:201
#24 0x00007f53bd5b5ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#25 0x0000000000403f47 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi