Application that crashed: kontact
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.31.1-desktop-1mnb i686
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
I do not what I could add

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb0cadb66 in ?? () from /usr/lib/libkmailprivate.so.4
#7  0xb0cb1d36 in ?? () from /usr/lib/libkmailprivate.so.4
#8  0xb0e48084 in ?? () from /usr/lib/libkmailprivate.so.4
#9  0xb0e4b244 in ?? () from /usr/lib/libkmailprivate.so.4
#10 0xb0e4d208 in ?? () from /usr/lib/libkmailprivate.so.4
#11 0xb0e4d345 in ?? () from /usr/lib/libkmailprivate.so.4
#12 0xb76f9c44 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb76fa965 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#14 0xb78ac3e5 in KJob::result () from /usr/lib/libkdecore.so.5
#15 0xb78ac8f9 in KJob::emitResult () from /usr/lib/libkdecore.so.5
#16 0xb60acf6f in KIO::SimpleJob::slotFinished () from /usr/lib/libkio.so.5
#17 0xb60ad496 in KIO::TransferJob::slotFinished () from /usr/lib/libkio.so.5
#18 0xb60ab054 in KIO::TransferJob::qt_metacall () from /usr/lib/libkio.so.5
#19 0xb76f9c44 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#20 0xb76fa965 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#21 0xb617ec85 in KIO::SlaveInterface::finished () from /usr/lib/libkio.so.5
#22 0xb6182df4 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#23 0xb617f19a in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#24 0xb6170795 in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#25 0xb6172d64 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#26 0xb76f9c44 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#27 0xb76fa965 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#28 0xb6071375 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#29 0xb607325a in ?? () from /usr/lib/libkio.so.5
#30 0xb60733a7 in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#31 0xb76f242a in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#32 0xb76f3b76 in QObject::event () from /usr/lib/libQtCore.so.4
#33 0xb6d086cc in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#34 0xb6d1010e in QApplication::notify () from /usr/lib/libQtGui.so.4
#35 0xb7c1c951 in KApplication::notify () from /usr/lib/libkdeui.so.5
#36 0xb76e375e in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#37 0xb76e43cc in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#38 0xb76e458c in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#39 0xb770f7bd in ?? () from /usr/lib/libQtCore.so.4
#40 0xb5039b92 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#41 0xb503d468 in ?? () from /usr/lib/libglib-2.0.so.0
#42 0xb503d58e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#43 0xb770f3c8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#44 0xb6daa51a in ?? () from /usr/lib/libQtGui.so.4
#45 0xb76e1d7d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#46 0xb76e21c9 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#47 0xb76e4660 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#48 0xb6d08544 in QApplication::exec () from /usr/lib/libQtGui.so.4
#49 0x0804b14d in _start ()

Reported using DrKonqi