Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.32.10-pclos2.bfs i686
Distribution: "PCLinuxOS"

-- Information about the crash:
it crashed while i was changing settings the entire screen went blank after that it restarted suddenly 

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  0xb6980365 in QCoreApplication::postEvent () from /usr/lib/libQtCore.so.4
#7  0xb69806db in QCoreApplication::postEvent () from /usr/lib/libQtCore.so.4
#8  0xb6990944 in QObject::deleteLater () from /usr/lib/libQtCore.so.4
#9  0xb5edf645 in QCursor::QCursor$base () from /usr/lib/libQtGui.so.4
#10 0xb5ec025b in QApplication::x11ClientMessage () from /usr/lib/libQtGui.so.4
#11 0xb5ecfd7e in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#12 0xb5efe0e0 in QX11Info::copyX11Data () from /usr/lib/libQtGui.so.4
#13 0xb575aa3e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#14 0xb575e768 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#15 0xb575e90e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#16 0xb69ad1a1 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#17 0xb5efdc5a in QX11Info::copyX11Data () from /usr/lib/libQtGui.so.4
#18 0xb697eddd in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#19 0xb697f229 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#20 0xb69833a0 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#21 0xb5e3ceb4 in QApplication::exec () from /usr/lib/libQtGui.so.4
#22 0xb3326845 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#23 0x0804dc1f in _start ()
#24 0x0804e897 in _start ()
#25 0x0804ecd4 in _start ()
#26 0x0804fa77 in _start ()
#27 0xb5a9ca36 in __libc_start_main () from /lib/i686/libc.so.6
#28 0x0804b021 in _start ()

Reported using DrKonqi