Application that crashed: kded4
Version of the application: $Id: kded.cpp 944898 2009-03-26 13:01:25Z dfaure $
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-desktop-1mnb x86_64
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
kded crashed few minutes after login.

 -- Backtrace:
Application: Démon de KDE (kdeinit4), signal: Aborted
[KCrash Handler]
#5  0x00007fbccd1d9545 in raise () from /lib64/libc.so.6
#6  0x00007fbccd1dab60 in abort () from /lib64/libc.so.6
#7  0x00007fbccfaf8164 in qt_message_output () from /usr/lib64/libQtCore.so.4
#8  0x00007fbccfaf82b6 in qFatal () from /usr/lib64/libQtCore.so.4
#9  0x00007fbcbe684802 in PackageKit::Util::enumToString<PackageKit::Client> () from /usr/lib64/libpackagekit-qt.so.12
#10 0x00007fbcbe676f8f in PackageKit::Client::getTimeSinceAction () from /usr/lib64/libpackagekit-qt.so.12
#11 0x00007fbcbe8af991 in KPackageKitD::init (this=0xf802d0) at /usr/src/debug/kpackagekit-0.4.2/KPackageKitD/kpackagekitd.cpp:79
#12 0x00007fbcbe8aef7c in KPackageKitD::qt_metacall (this=0xf802d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffcdd2e950)
    at /usr/src/debug/kpackagekit-0.4.2/build/KPackageKitD/moc_kpackagekitd.cpp:72
#13 0x00007fbccfbfa88c in QMetaObject::activate () from /usr/lib64/libQtCore.so.4
#14 0x00007fbccfbf4833 in QObject::event () from /usr/lib64/libQtCore.so.4
#15 0x00007fbccd9a012c in QApplicationPrivate::notify_helper () from /usr/lib64/libQtGui.so.4
#16 0x00007fbccd9a73fe in QApplication::notify () from /usr/lib64/libQtGui.so.4
#17 0x00007fbcce5c42d6 in KApplication::notify () from /usr/lib64/libkdeui.so.5
#18 0x00007fbccfbe56ac in QCoreApplication::notifyInternal () from /usr/lib64/libQtCore.so.4
#19 0x00007fbccfc104e2 in ?? () from /usr/lib64/libQtCore.so.4
#20 0x00007fbccfc0df48 in ?? () from /usr/lib64/libQtCore.so.4
#21 0x00007fbccc8fa4ce in IA__g_main_context_dispatch (context=0xdbe930) at gmain.c:1960
#22 0x00007fbccc8fde98 in g_main_context_iterate (context=0xdbe930, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#23 0x00007fbccc8fdfc0 in IA__g_main_context_iteration (context=0xdbe930, may_block=1) at gmain.c:2654
#24 0x00007fbccfc0dc73 in QEventDispatcherGlib::processEvents () from /usr/lib64/libQtCore.so.4
#25 0x00007fbccda3364e in ?? () from /usr/lib64/libQtGui.so.4
#26 0x00007fbccfbe3fe2 in QEventLoop::processEvents () from /usr/lib64/libQtCore.so.4
#27 0x00007fbccfbe43b4 in QEventLoop::exec () from /usr/lib64/libQtCore.so.4
#28 0x00007fbccfbe6569 in QCoreApplication::exec () from /usr/lib64/libQtCore.so.4
#29 0x00007fbcc2ad363b in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#30 0x00000000004068b8 in _start ()

Reported using DrKonqi