Application that crashed: kcmshell4
Version of the application: 
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.6-166.fc12.i686.PAE i686

What I was doing when the application crashed:
I opened the "Access Manager" (or "Login manager") from "System preferences" (advanced) and then it crash.

 -- Backtrace:
Application: Módulo de control de KDE (kcmshell4), signal: Segmentation fault
[KCrash Handler]
#6  0x03d256ec in QDataStream::operator>>(int&) () from /usr/lib/libQtCore.so.4
#7  0x03fcb3be in KServiceFactory::KServiceFactory() () from /usr/lib/libkdecore.so.5
#8  0x03fcb70c in KServiceFactory::self() () from /usr/lib/libkdecore.so.5
#9  0x03fc1160 in KService::serviceByMenuId(QString const&) () from /usr/lib/libkdecore.so.5
#10 0x03fc6fc3 in KService::serviceByStorageId(QString const&) () from /usr/lib/libkdecore.so.5
#11 0x001fe527 in QString::free(QString::Data*) () from /usr/lib/libkdeinit4_kcmshell4.so
#12 0x002006df in kdemain () from /usr/lib/libkdeinit4_kcmshell4.so
#13 0x0804860c in _start ()

This bug may be a duplicate of or related to bug 202972

Reported using DrKonqi