Version:            (using KDE 4.1.2)
OS:                Linux
Installed from:    Mandriva RPMs

When I tried to change kontact preferences, all application crash with this message:

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Application : Kontact (kontact), signal SIGSEGV
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[Thread debugging using libthread_db enabled]
[New Thread 0x7f40641cc700 (LWP 31746)]
[New Thread 0x42053950 (LWP 32580)]
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[KCrash handler]
#5  0x0000000000000004 in ?? ()
#6  0x00007f4063437565 in KDialog::slotButtonClicked ()
   from /usr/lib64/libkdeui.so.5
#7  0x00007f406343887d in KDialog::qt_metacall ()
   from /usr/lib64/libkdeui.so.5
#8  0x00007f406395df1e in KPIM::KScoringEditor::qt_metacall ()
   from /usr/lib64/libkdepim.so.4
#9  0x00007f4062bbbc34 in QMetaObject::activate ()
   from /usr/lib64/libQtCore.so.4
#10 0x00007f4062bbf90e in QSignalMapper::mapped ()
   from /usr/lib64/libQtCore.so.4
#11 0x00007f4062bc01b0 in QSignalMapper::map () from /usr/lib64/libQtCore.so.4
#12 0x00007f4062bc0da0 in QSignalMapper::qt_metacall ()
   from /usr/lib64/libQtCore.so.4
#13 0x00007f4062bbbc34 in QMetaObject::activate ()
   from /usr/lib64/libQtCore.so.4
#14 0x00007f40626564a7 in QAbstractButton::clicked ()
   from /usr/lib64/libQtGui.so.4
#15 0x00007f40623da5cb in ?? () from /usr/lib64/libQtGui.so.4
#16 0x00007f40623dc192 in ?? () from /usr/lib64/libQtGui.so.4
#17 0x00007f40623dc3e5 in QAbstractButton::mouseReleaseEvent ()
   from /usr/lib64/libQtGui.so.4
#18 0x00007f40621230e9 in QWidget::event () from /usr/lib64/libQtGui.so.4
#19 0x00007f40620d0a2d in QApplicationPrivate::notify_helper ()
   from /usr/lib64/libQtGui.so.4
#20 0x00007f40620d901c in QApplication::notify ()
   from /usr/lib64/libQtGui.so.4
#21 0x00007f40634bd0fb in KApplication::notify ()
   from /usr/lib64/libkdeui.so.5
#22 0x00007f4062ba785f in QCoreApplication::notifyInternal ()
   from /usr/lib64/libQtCore.so.4
#23 0x00007f40620d83c8 in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib64/libQtGui.so.4
#24 0x00007f406213c949 in ?? () from /usr/lib64/libQtGui.so.4
#25 0x00007f406213b3a7 in QApplication::x11ProcessEvent ()
   from /usr/lib64/libQtGui.so.4
#26 0x00007f4062161f84 in ?? () from /usr/lib64/libQtGui.so.4
#27 0x00007f405bf7b8d2 in g_main_context_dispatch ()
   from /usr/lib64/libglib-2.0.so.0
#28 0x00007f405bf7f05d in ?? () from /usr/lib64/libglib-2.0.so.0
#29 0x00007f405bf7f21b in g_main_context_iteration ()
   from /usr/lib64/libglib-2.0.so.0
#30 0x00007f4062bcfbff in QEventDispatcherGlib::processEvents ()
   from /usr/lib64/libQtCore.so.4
#31 0x00007f406216172f in ?? () from /usr/lib64/libQtGui.so.4
#32 0x00007f4062ba6182 in QEventLoop::processEvents ()
   from /usr/lib64/libQtCore.so.4
#33 0x00007f4062ba630d in QEventLoop::exec () from /usr/lib64/libQtCore.so.4
#34 0x00007f4062ba87bd in QCoreApplication::exec ()
   from /usr/lib64/libQtCore.so.4
#35 0x0000000000404395 in _start ()
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