Application that crashed: kmail
Version of the application: 1.12.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
when i would like to modify the smtp acount mail configuration, k mail crash

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0x051b880a in QAbstractButton::isChecked() const () from /usr/lib/libQtGui.so.4
#7  0x010404a3 in ConfigModuleWithTabs::save() () from /usr/lib/libkmailprivate.so.4
#8  0x05c7dfda in KCModuleProxy::save() () from /usr/lib/libkutils.so.4
#9  0x05c78608 in ?? () from /usr/lib/libkutils.so.4
#10 0x05c78785 in KCMultiDialog::slotOkClicked() () from /usr/lib/libkutils.so.4
#11 0x05c7ad0b in KCMultiDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkutils.so.4
#12 0x00ffca5a in ?? () from /usr/lib/libkmailprivate.so.4
#13 0x00b6b263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x00b6bec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#15 0x002cf4d7 in KDialog::okClicked() () from /usr/lib/libkdeui.so.5
#16 0x002d1de8 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#17 0x002d4319 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#18 0x0039bc6a in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#19 0x05c7ac3a in KCMultiDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkutils.so.4
#20 0x00ffca5a in ?? () from /usr/lib/libkmailprivate.so.4
#21 0x00b6b263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#22 0x00b6bec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#23 0x00b6de73 in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#24 0x00b6e70d in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#25 0x00b6e8ee in QSignalMapper::map() () from /usr/lib/libQtCore.so.4
#26 0x00b6f12b in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#27 0x00b6b263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#28 0x00b6b6d8 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#29 0x05490cc1 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#30 0x051b9549 in ?? () from /usr/lib/libQtGui.so.4
#31 0x051bb1a4 in ?? () from /usr/lib/libQtGui.so.4
#32 0x051bb431 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#33 0x04e59012 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#34 0x051b93ee in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#35 0x0526366d in QPushButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#36 0x04e03f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#37 0x04e0c033 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#38 0x0036abfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#39 0x00b556cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#40 0x04e0af6e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#41 0x04e797c0 in ?? () from /usr/lib/libQtGui.so.4
#42 0x04e78c4b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#43 0x04ea5502 in ?? () from /usr/lib/libQtGui.so.4
#44 0x02668e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#45 0x0266c730 in ?? () from /lib/libglib-2.0.so.0
#46 0x0266c863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#47 0x00b8002c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#48 0x04ea4be5 in ?? () from /usr/lib/libQtGui.so.4
#49 0x00b53c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#50 0x00b540ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#51 0x00b5653f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#52 0x04e03dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#53 0x0804a702 in _start ()

Reported using DrKonqi