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 2.6.31-14-generic i686
Distribution: Ubuntu 9.10

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0x09280a30 in ?? ()
#7  0x003ebe49 in KEditToolBar::showEvent(QShowEvent*) () from /usr/lib/libkdeui.so.5
#8  0x00ef6e2b in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00ea1f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00ea95ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x00478bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#12 0x03eee6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#13 0x00efc9a5 in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#14 0x00efdd9b in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#15 0x0138faea in QDialog::setVisible(bool) () from /usr/lib/libQtGui.so.4
#16 0x0138ecf6 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#17 0x00a27cb3 in Kontact::MainWindow::configureToolbars() () from /usr/lib/libkontactprivate.so.4
#18 0x00a2fb60 in Kontact::MainWindow::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkontactprivate.so.4
#19 0x03efcf0b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#20 0x03efe5fe in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#21 0x00ef6906 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x012c4297 in QMainWindow::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x0055edc4 in KMainWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x005a530f in KXmlGuiWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#25 0x00ea1f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00ea95ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00478bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#28 0x03eee6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#29 0x03eef2b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#30 0x03eef47d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#31 0x03f193ff in ?? () from /usr/lib/libQtCore.so.4
#32 0x0583be78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x0583f720 in ?? () from /lib/libglib-2.0.so.0
#34 0x0583f853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x03f1902c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x00f42be5 in ?? () from /usr/lib/libQtGui.so.4
#37 0x03eecc79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#38 0x03eed0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#39 0x03eef53f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#40 0x00ea1dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#41 0x0804b4e6 in _start ()

Reported using DrKonqi