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 2.6.31-22-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
started to update, then POOF

 -- Backtrace:
Application: KPackageKit (kpackagekit), signal: Segmentation fault
[KCrash Handler]
#6  QWidget::window (this=0x95e02c0) at kernel/qwidget.cpp:3883
#7  0x01083d2e in QApplicationPrivate::dispatchEnterLeave (enter=0x95d1d08, leave=0x95e02c0) at kernel/qapplication.cpp:2527
#8  0x0108417a in QApplicationPrivate::sendMouseEvent (receiver=0x95d1d08, event=0xbfc23200, alienWidget=0x95d1d08, nativeWidget=0x9460c88, buttonDown=0x18f7aa0, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2908
#9  0x010f27c0 in QETWidget::translateMouseEvent (this=0x9460c88, event=0xbfc2484c) at kernel/qapplication_x11.cpp:4409
#10 0x010f1c4b in QApplication::x11ProcessEvent (this=0xbfc24be0, event=0xbfc2484c) at kernel/qapplication_x11.cpp:3428
#11 0x0111e502 in x11EventSourceDispatch (s=0x946bfa8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#12 0x04f43e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#13 0x04f47730 in ?? () from /lib/libglib-2.0.so.0
#14 0x04f47863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#15 0x0040b02c in QEventDispatcherGlib::processEvents (this=0x944bf08, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#16 0x0111dbe5 in QGuiEventDispatcherGlib::processEvents (this=0x944bf08, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#17 0x003dec79 in QEventLoop::processEvents (this=0xbfc24b44, flags=) at kernel/qeventloop.cpp:149
#18 0x003df0ca in QEventLoop::exec (this=0xbfc24b44, flags=...) at kernel/qeventloop.cpp:201
#19 0x003e153f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#20 0x0107cdd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#21 0x0804e47b in _start ()

This bug may be a duplicate of or related to bug 257912

Reported using DrKonqi