Application: kvpnc (0.9.6)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-5-amd64 x86_64
Distribution: Debian GNU/Linux 6.0.4 (squeeze)

-- Information about the crash:
I was connecting to vpn, but was not connected to internet. I pressed connect, and it said, network not reachable. I pressed ok. Again it said, network not reachable, and I pressed ok. This happened 2 or 3 times, after which it crashed

 -- Backtrace:
Application: KVpnc (kvpnc), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f40827bab95 in QObject::~QObject() () from /usr/lib/libQtCore.so.4
#6  0x00007f4083752419 in KNotification::~KNotification() () from /usr/lib/libkdeui.so.5
#7  0x00007f40827b4e4d in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#8  0x00007f40818cc32c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007f40818d280b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007f408371d796 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#11 0x00007f40827a509c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007f40827a8744 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#13 0x00007f40827ceb73 in ?? () from /usr/lib/libQtCore.so.4
#14 0x00007f407d3166f2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#15 0x00007f407d31a568 in ?? () from /lib/libglib-2.0.so.0
#16 0x00007f407d31a71c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#17 0x00007f40827ce6b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#18 0x00007f408197c19e in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007f40827a39c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0x00007f40827a3d9c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x00007f40827a8a2b in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#22 0x00000000005d1ff6 in _start ()

Reported using DrKonqi