Application: systemsettings (1.0)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.0
Operating System: Linux 2.6.32.8-pclos5.bfs i686
Distribution: "PCLinuxOS"

-- Information about the crash:
Whenever attempting to set a screensaver (appears to be any screensaver), the KDE desktop configuration crashes

The crash can be reproduced every time.

 -- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[KCrash Handler]
#6  0xb59aae04 in XVisualIDFromVisual () from /usr/lib/libX11.so.6
#7  0xb662a3ac in QWidgetPrivate::setModal_sys () from /usr/lib/libQtGui.so.4
#8  0xb662a44f in QWidgetPrivate::setModal_sys () from /usr/lib/libQtGui.so.4
#9  0xb66333b1 in QWidgetPrivate::create_sys () from /usr/lib/libQtGui.so.4
#10 0xb65e105f in QWidget::create () from /usr/lib/libQtGui.so.4
#11 0xb0c6b88b in KPluginFactory::createInstance<KScreenSaver, QWidget> () from /usr/lib/kde4/kcm_screensaver.so
#12 0xb0c5c3a6 in qt_plugin_query_verification_data () from /usr/lib/kde4/kcm_screensaver.so
#13 0xb0c5c97e in qt_plugin_query_verification_data () from /usr/lib/kde4/kcm_screensaver.so
#14 0xb0c5cdae in qt_plugin_query_verification_data () from /usr/lib/kde4/kcm_screensaver.so
#15 0xb0c5f31d in qt_plugin_query_verification_data () from /usr/lib/kde4/kcm_screensaver.so
#16 0xb604459d in QMetaObject::metacall () from /usr/lib/libQtCore.so.4
#17 0xb6053276 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb077a5f5 in Q3ListView::currentChanged () from /usr/lib/libQt3Support.so.4
#19 0xb0604418 in Q3ListView::setCurrentItem () from /usr/lib/libQt3Support.so.4
#20 0xb060daca in Q3ListView::contentsMousePressEventEx () from /usr/lib/libQt3Support.so.4
#21 0xb060e253 in Q3ListView::contentsMousePressEvent () from /usr/lib/libQt3Support.so.4
#22 0xb0bcc536 in K3ListView::contentsMousePressEvent () from /usr/lib/libkde3support.so.4
#23 0xb066b0a8 in Q3ScrollView::viewportMousePressEvent () from /usr/lib/libQt3Support.so.4
#24 0xb066ccb5 in Q3ScrollView::eventFilter () from /usr/lib/libQt3Support.so.4
#25 0xb06091df in Q3ListView::eventFilter () from /usr/lib/libQt3Support.so.4
#26 0xb603e4fe in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#27 0xb65805bd in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#28 0xb65876f2 in QApplication::notify () from /usr/lib/libQtGui.so.4
#29 0xb70b06b1 in KApplication::notify () from /usr/lib/libkdeui.so.5
#30 0xb603f22e in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#31 0xb6586d54 in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#32 0xb661288b in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#33 0xb6611e65 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#34 0xb663f3c0 in QX11Info::copyX11Data () from /usr/lib/libQtGui.so.4
#35 0xb581a32c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb581dd68 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#37 0xb581de8e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb606bd71 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb663ef3a in QX11Info::copyX11Data () from /usr/lib/libQtGui.so.4
#40 0xb603d89d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb603dce9 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb6041e60 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb6580694 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0x080565fe in _start ()
#45 0xb5c3fa36 in __libc_start_main () from /lib/i686/libc.so.6
#46 0x0804ff51 in _start ()

Reported using DrKonqi