Application that crashed: systemsettings
Version of the application: 1.0
KDE Version: 4.3.1 (KDE 4.3.1) "release 6"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.8-0.1-default x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
open system settings -desktop - select screensaver - crashed - each and every time attempted.-  did not happen in OpenSuse11.1

 -- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fbf138bf7c0 in XVisualIDFromVisual () from /usr/lib64/libX11.so.6
#6  0x00007fbf15f0f0ff in ?? () from /usr/lib64/libQtGui.so.4
#7  0x00007fbf15f0f190 in ?? () from /usr/lib64/libQtGui.so.4
#8  0x00007fbf15f16a56 in QWidgetPrivate::create_sys(unsigned long, bool, bool) () from /usr/lib64/libQtGui.so.4
#9  0x00007fbf15edd31b in QWidget::create(unsigned long, bool, bool) () from /usr/lib64/libQtGui.so.4
#10 0x00007fbf06e1b61a in ?? () from /usr/lib64/kde4/kcm_screensaver.so
#11 0x00007fbf06e0d581 in ?? () from /usr/lib64/kde4/kcm_screensaver.so
#12 0x00007fbf06e0f730 in ?? () from /usr/lib64/kde4/kcm_screensaver.so
#13 0x00007fbf06e100dc in ?? () from /usr/lib64/kde4/kcm_screensaver.so
#14 0x00007fbf15327fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#15 0x00007fbf15321f63 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#16 0x00007fbf15e8d2ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#17 0x00007fbf15e9457e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#18 0x00007fbf16a878d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#19 0x00007fbf15312ddc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#20 0x00007fbf1533e71d in ?? () from /usr/lib64/libQtCore.so.4
#21 0x00007fbf1533b678 in ?? () from /usr/lib64/libQtCore.so.4
#22 0x00007fbf1227cdde in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007fbf122807a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007fbf122808d0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007fbf1533b3a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#26 0x00007fbf15f2031e in ?? () from /usr/lib64/libQtGui.so.4
#27 0x00007fbf15311712 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#28 0x00007fbf15311ae4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#29 0x00007fbf15313c99 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#30 0x000000000040cbd9 in _start ()

Reported using DrKonqi