unter Details bringt er mir folgendes:
Anwendung: Systemeinstellungen (systemsettings), Signal SIGSEGV
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[Thread debugging using libthread_db enabled]
[New Thread 0xb62f06d0 (LWP 3542)]
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[KCrash handler]
#6 0xb6a592f0 in QWidgetPrivate::reparentFocusWidgets ()
from /usr/lib/libQtGui.so.4
#7 0xb6a6a277 in QWidget::setParent () from /usr/lib/libQtGui.so.4
#8 0xb6a6ab31 in QWidgetPrivate::init () from /usr/lib/libQtGui.so.4
#9 0xb6a6b36e in QWidget::QWidget () from /usr/lib/libQtGui.so.4
#10 0xb383adf8 in ?? () from /usr/lib/kde4/kcm_screensaver.so
#11 0xb382c8e4 in ?? () from /usr/lib/kde4/kcm_screensaver.so
#12 0xb382ec04 in ?? () from /usr/lib/kde4/kcm_screensaver.so
#13 0xb76cd730 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#14 0xb76ce4b2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0xb30b8453 in K3Process:

rocessExited () from /usr/lib/libkde3support.so.4
#16 0xb30b849f in K3Process:

rocessHasExited ()
from /usr/lib/libkde3support.so.4
#17 0xb30b94a7 in K3Process::wait () from /usr/lib/libkde3support.so.4
#18 0xb382c85c in ?? () from /usr/lib/kde4/kcm_screensaver.so
#19 0xb7e3e5ec in KCModuleProxy::deleteClient () from /usr/lib/libkutils.so.4
#20 0xb7e3f025 in KCModuleProxy::~KCModuleProxy () from /usr/lib/libkutils.so.4
#21 0xb76c6d7f in QObjectPrivate::deleteChildren ()
from /usr/lib/libQtCore.so.4
#22 0xb6a695b8 in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#23 0xb76c6d7f in QObjectPrivate::deleteChildren ()
from /usr/lib/libQtCore.so.4
#24 0xb6a69a18 in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#25 0xb6da00e1 in QFrame::~QFrame () from /usr/lib/libQtGui.so.4
#26 0xb6e36a6d in QAbstractScrollArea::~QAbstractScrollArea ()
from /usr/lib/libQtGui.so.4
#27 0xb6e3c5d5 in QScrollArea::~QScrollArea () from /usr/lib/libQtGui.so.4
#28 0xb76c6d7f in QObjectPrivate::deleteChildren ()
from /usr/lib/libQtCore.so.4
#29 0xb6a69a18 in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#30 0xb6da00e1 in QFrame::~QFrame () from /usr/lib/libQtGui.so.4
#31 0xb6e0d641 in QStackedWidget::~QStackedWidget ()
from /usr/lib/libQtGui.so.4
#32 0xb7ccf7d2 in ?? () from /usr/lib/libkdeui.so.5
#33 0xb76c6d7f in QObjectPrivate::deleteChildren ()
from /usr/lib/libQtCore.so.4
#34 0xb6a69a18 in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#35 0xb7cce520 in KPageView::~KPageView () from /usr/lib/libkdeui.so.5
#36 0xb7cd3655 in KPageWidget::~KPageWidget () from /usr/lib/libkdeui.so.5
#37 0xb76c6d7f in QObjectPrivate::deleteChildren ()
from /usr/lib/libQtCore.so.4
#38 0xb6a69a18 in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#39 0xb6e7d026 in QDialog::~QDialog () from /usr/lib/libQtGui.so.4
#40 0xb7c0beb4 in KDialog::~KDialog () from /usr/lib/libkdeui.so.5
#41 0xb7cccd61 in KPageDialog::~KPageDialog () from /usr/lib/libkdeui.so.5
#42 0x0805425d in _start ()
#0 0xffffe430 in __kernel_vsyscall ()