Application that crashed: kpackagekit
Version of the application: 0.4.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
All in the title.

 -- Backtrace:
Application: KPackageKit (kpackagekit), signal: Segmentation fault
[KCrash Handler]
#5  QWidget::window (this=0x1e64900) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:243
#6  0x00007fb43809b916 in QApplicationPrivate::dispatchEnterLeave (enter=0x15c1900, leave=0x1e64900) at kernel/qapplication.cpp:2527
#7  0x00007fb43809bd75 in QApplicationPrivate::sendMouseEvent (receiver=0x15c1900, event=0x7fff4314b730, alienWidget=0x15c1900, nativeWidget=0x12aed40, buttonDown=0x7fb438acb008, 
    lastMouseReceiver=@0x7fb438acb010) at kernel/qapplication.cpp:2908
#8  0x00007fb438105b19 in QETWidget::translateMouseEvent (this=0x12aed40, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#9  0x00007fb438104b53 in QApplication::x11ProcessEvent (this=0x7fff4314d670, event=0x7fff4314d2b0) at kernel/qapplication_x11.cpp:3550
#10 0x00007fb43812d454 in x11EventSourceDispatch (s=0x12012a0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#11 0x00007fb4343d820a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#12 0x00007fb4343db8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007fb4343dba7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#14 0x00007fb438e98a8f in QEventDispatcherGlib::processEvents (this=0x11d3040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#15 0x00007fb43812cbdf in QGuiEventDispatcherGlib::processEvents (this=0x1e64900, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#16 0x00007fb438e6df42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1125438880}) at kernel/qeventloop.cpp:149
#17 0x00007fb438e6e314 in QEventLoop::exec (this=0x7fff4314d5e0, flags={i = 1125438960}) at kernel/qeventloop.cpp:201
#18 0x00007fb438e705e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#19 0x0000000000404332 in _start ()

Reported using DrKonqi