Application that crashed: knetworkmanager
Version of the application: v0.9
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
The connection form of a saved network was open, while I deleted that network information in Knetworkmanager. Then I tried to connect by the opened form, then Knetworkmanager crashed.

 -- Backtrace:
Application: KNetworkManager (knetworkmanager), signal: Segmentation fault
[KCrash Handler]
#6  0x081653d9 in WirelessSecuritySettingWidget::writeConfig() () from /usr/lib/libknmui.so.4
#7  0x0817f437 in ConnectionSecretsJob::dialogAccepted() () from /usr/lib/libknmui.so.4
#8  0x08148b93 in ConnectionSecretsJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libknmui.so.4
#9  0x0097a263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x0097aec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00247527 in KDialog::okClicked() () from /usr/lib/libkdeui.so.5
#12 0x00249e38 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#13 0x0024c369 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#14 0x0097a263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#15 0x0097aec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#16 0x0097ce73 in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#17 0x0097d70d in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#18 0x0097d8ee in QSignalMapper::map() () from /usr/lib/libQtCore.so.4
#19 0x0097e12b in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#20 0x0097a263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#21 0x0097a6d8 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#22 0x0167ecc1 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#23 0x013a7549 in ?? () from /usr/lib/libQtGui.so.4
#24 0x013a91a4 in ?? () from /usr/lib/libQtGui.so.4
#25 0x013a9431 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#26 0x01047012 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x013a73ee in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0x0145166d in QPushButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00ff1f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00ffa033 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x002e31aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#32 0x009646cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x00ff8f6e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#34 0x010677c0 in ?? () from /usr/lib/libQtGui.so.4
#35 0x01066c4b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#36 0x01093502 in ?? () from /usr/lib/libQtGui.so.4
#37 0x08b4ce88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x08b50730 in ?? () from /lib/libglib-2.0.so.0
#39 0x08b50863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x0098f02c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#41 0x01092be5 in ?? () from /usr/lib/libQtGui.so.4
#42 0x00962c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0x009630ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#44 0x0096553f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#45 0x00ff1dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#46 0x08052905 in _start ()

Reported using DrKonqi