Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-desktop-1mnb i686
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
2 times when i will go to make send a message

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb628291e in ?? () from /lib/i686/libc.so.6
#7  0xb62837e0 in ?? () from /lib/i686/libc.so.6
#8  0xb62824f3 in dcgettext () from /lib/i686/libc.so.6
#9  0xb71ffc29 in ?? () from /usr/lib/libkdecore.so.5
#10 0xb7200d99 in ?? () from /usr/lib/libkdecore.so.5
#11 0xb7214a70 in ?? () from /usr/lib/libkdecore.so.5
#12 0xb7215992 in KLocale::translateRaw () from /usr/lib/libkdecore.so.5
#13 0xb7226c06 in ?? () from /usr/lib/libkdecore.so.5
#14 0xb7227115 in KLocalizedString::toString () from /usr/lib/libkdecore.so.5
#15 0xb747f040 in ?? () from /usr/lib/libkdeui.so.5
#16 0xb747f56e in ?? () from /usr/lib/libkdeui.so.5
#17 0xb748a0ef in ?? () from /usr/lib/libkdeui.so.5
#18 0xb748af61 in KFontComboBox::KFontComboBox () from /usr/lib/libkdeui.so.5
#19 0xb73eb591 in KFontAction::createWidget () from /usr/lib/libkdeui.so.5
#20 0xb6621815 in QWidgetAction::requestWidget () from /usr/lib/libQtGui.so.4
#21 0xb6a65ec2 in QToolBarLayout::createItem () from /usr/lib/libQtGui.so.4
#22 0xb6a6690b in QToolBarLayout::insertAction () from /usr/lib/libQtGui.so.4
#23 0xb6a63285 in QToolBar::actionEvent () from /usr/lib/libQtGui.so.4
#24 0xb75f8853 in KToolBar::actionEvent () from /usr/lib/libkdeui.so.5
#25 0xb6616c43 in QWidget::event () from /usr/lib/libQtGui.so.4
#26 0xb6a64844 in QToolBar::event () from /usr/lib/libQtGui.so.4
#27 0xb65bf68c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#28 0xb65c701e in QApplication::notify () from /usr/lib/libQtGui.so.4
#29 0xb74d3a21 in KApplication::notify () from /usr/lib/libkdeui.so.5
#30 0xb6f98c4e in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#31 0xb660ad40 in QWidget::insertAction () from /usr/lib/libQtGui.so.4
#32 0xb7617c98 in ?? () from /usr/lib/libkdeui.so.5
#33 0xb761bf88 in ?? () from /usr/lib/libkdeui.so.5
#34 0xb761d022 in ?? () from /usr/lib/libkdeui.so.5
#35 0xb761d273 in ?? () from /usr/lib/libkdeui.so.5
#36 0xb761c9c3 in ?? () from /usr/lib/libkdeui.so.5
#37 0xb761d0a8 in ?? () from /usr/lib/libkdeui.so.5
#38 0xb761d273 in ?? () from /usr/lib/libkdeui.so.5
#39 0xb7615aa6 in KXMLGUIFactory::addClient () from /usr/lib/libkdeui.so.5
#40 0xb76076c9 in KXmlGuiWindow::createGUI () from /usr/lib/libkdeui.so.5
#41 0xb029d2bf in ?? () from /usr/lib/libkmailprivate.so.4
#42 0xb02b5b28 in ?? () from /usr/lib/libkmailprivate.so.4
#43 0xb02b6edc in ?? () from /usr/lib/libkmailprivate.so.4
#44 0xb04054a9 in KMKernel::newMessage () from /usr/lib/libkmailprivate.so.4
#45 0xb06a5e19 in ?? () from /usr/lib/libkmailprivate.so.4
#46 0xb585075a in ?? () from /usr/lib/libQtDBus.so.4
#47 0xb5851982 in ?? () from /usr/lib/libQtDBus.so.4
#48 0xb5852342 in ?? () from /usr/lib/libQtDBus.so.4
#49 0xb5852e27 in ?? () from /usr/lib/libQtDBus.so.4
#50 0xb585324c in ?? () from /usr/lib/libQtDBus.so.4
#51 0xb5853538 in ?? () from /usr/lib/libQtDBus.so.4
#52 0xb585443e in ?? () from /usr/lib/libQtDBus.so.4
#53 0xb583c473 in QDBusConnection::asyncCall () from /usr/lib/libQtDBus.so.4
#54 0xb585cbbe in QDBusAbstractInterface::asyncCallWithArgumentList () from /usr/lib/libQtDBus.so.4
#55 0xb0a6aace in ?? () from /usr/lib/kde4/kontact_kmailplugin.so
#56 0xb0a6ac93 in ?? () from /usr/lib/kde4/kontact_kmailplugin.so
#57 0xb0a6ad16 in ?? () from /usr/lib/kde4/kontact_kmailplugin.so
#58 0xb6faf184 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#59 0xb6faf661 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#60 0xb65b8e55 in QAction::triggered () from /usr/lib/libQtGui.so.4
#61 0xb65ba482 in QAction::activate () from /usr/lib/libQtGui.so.4
#62 0xb7833892 in Kontact::MainWindow::slotNewClicked () from /usr/lib/libkontactprivate.so.4
#63 0xb783dbe3 in Kontact::MainWindow::qt_metacall () from /usr/lib/libkontactprivate.so.4
#64 0xb6faf184 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#65 0xb6faf661 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#66 0xb65b8e55 in QAction::triggered () from /usr/lib/libQtGui.so.4
#67 0xb65ba482 in QAction::activate () from /usr/lib/libQtGui.so.4
#68 0xb6a6c920 in QToolButton::nextCheckState () from /usr/lib/libQtGui.so.4
#69 0xb6983b57 in ?? () from /usr/lib/libQtGui.so.4
#70 0xb6983e36 in QAbstractButton::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#71 0xb6a6ce2d in QToolButton::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#72 0xb661690c in QWidget::event () from /usr/lib/libQtGui.so.4
#73 0xb6981cf0 in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#74 0xb6a6f87c in QToolButton::event () from /usr/lib/libQtGui.so.4
#75 0xb65bf68c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#76 0xb65c793b in QApplication::notify () from /usr/lib/libQtGui.so.4
#77 0xb74d3a21 in KApplication::notify () from /usr/lib/libkdeui.so.5
#78 0xb6f98c4e in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#79 0xb65c695c in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#80 0xb663757a in ?? () from /usr/lib/libQtGui.so.4
#81 0xb6636aee in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#82 0xb6661d88 in ?? () from /usr/lib/libQtGui.so.4
#83 0xb48f2b92 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#84 0xb48f6468 in ?? () from /usr/lib/libglib-2.0.so.0
#85 0xb48f658e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#86 0xb6fc4931 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#87 0xb66614ba in ?? () from /usr/lib/libQtGui.so.4
#88 0xb6f972ad in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#89 0xb6f976f9 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#90 0xb6f99b90 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#91 0xb65bf504 in QApplication::exec () from /usr/lib/libQtGui.so.4
#92 0x0804b1c6 in _start ()

Reported using DrKonqi