Application that crashed: kpackagekit
Version of the application: 0.4.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I just opened the notification on the task bar stating "1 bug fix" was available and consented to the download/installation: this is when the crash occurred. Unfortunately I do not know the name of the package that was being updated.

 -- Backtrace:
Application: KPackageKit (kpackagekit), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fca0bc3b654 in QObject::parent (this=0x2775880) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:243
#6  QWidget::parentWidget (this=0x2775880) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:988
#7  QWidget::window (this=0x2775880) at kernel/qwidget.cpp:3882
#8  0x00007fca0bc00683 in QApplicationPrivate::dispatchEnterLeave (enter=<value optimized out>, leave=0x2775880) at kernel/qapplication.cpp:2527
#9  0x00007fca0bc00b06 in QApplicationPrivate::sendMouseEvent (receiver=0x25f42e0, event=0x7fff29452bc0, alienWidget=0x25f42e0, nativeWidget=0x25a9660, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2908
#10 0x00007fca0bc66a0e in QETWidget::translateMouseEvent (this=0x25a9660, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#11 0x00007fca0bc65aa9 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff294546f0) at kernel/qapplication_x11.cpp:3550
#12 0x00007fca0bc8ed0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#13 0x00007fca0705cbbe in g_main_dispatch (context=0x2413220) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#14 IA__g_main_context_dispatch (context=0x2413220) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#15 0x00007fca07060588 in g_main_context_iterate (context=0x2413220, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#16 0x00007fca070606b0 in IA__g_main_context_iteration (context=0x2413220, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#17 0x00007fca0b30a1a6 in QEventDispatcherGlib::processEvents (this=0x23ed640, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#18 0x00007fca0bc8e4be in QGuiEventDispatcherGlib::processEvents (this=0x2775880, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#19 0x00007fca0b2e0532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#20 0x00007fca0b2e0904 in QEventLoop::exec (this=0x7fff29454a20, flags=) at kernel/qeventloop.cpp:201
#21 0x00007fca0b2e2ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#22 0x0000000000407c52 in _start ()

This bug may be a duplicate of or related to bug 216600

Reported using DrKonqi