Application that crashed: kget
Version of the application: 2.3.0
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.29-02062906-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Kget crashed when downloading, and removing one stopped downloading.... those files had 500MB...

 -- Backtrace:
Application: KGet (kget), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f1211371f20 in TransferGroup::handler () from /usr/lib/libkgetcore.so.4
#6  0x00007f121136da7f in TransferTreeModel::timerEvent () from /usr/lib/libkgetcore.so.4
#7  0x00007f120f158263 in QObject::event (this=0x7328a0, e=0x67bb58) at kernel/qobject.cpp:1075
#8  0x00007f120fcc6f4d in QApplicationPrivate::notify_helper (this=0x7203a0, receiver=0x7328a0, e=0x7fffac9290e0) at kernel/qapplication.cpp:4056
#9  0x00007f120fccf18a in QApplication::notify (this=0x7fffac929420, receiver=0x7328a0, e=0x7fffac9290e0) at kernel/qapplication.cpp:4021
#10 0x00007f12120c871b in KApplication::notify (this=0x7fffac929420, receiver=0x7328a0, event=0x7fffac9290e0) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:302
#11 0x00007f120f1486ac in QCoreApplication::notifyInternal (this=0x7fffac929420, receiver=0x7328a0, event=0x7fffac9290e0) at kernel/qcoreapplication.cpp:610
#12 0x00007f120f175516 in QTimerInfoList::activateTimers (this=0x723ca0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#13 0x00007f120f171b2d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#14 0x00007f120a65020a in IA__g_main_context_dispatch (context=0x722d20) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#15 0x00007f120a6538e0 in g_main_context_iterate (context=0x722d20, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#16 0x00007f120a653a7c in IA__g_main_context_iteration (context=0x722d20, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#17 0x00007f120f171a8f in QEventDispatcherGlib::processEvents (this=0x6f9f40, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#18 0x00007f120fd5fbdf in QGuiEventDispatcherGlib::processEvents (this=0x40000000000000, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#19 0x00007f120f146f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1399680176}) at kernel/qeventloop.cpp:149
#20 0x00007f120f147314 in QEventLoop::exec (this=0x7fffac929390, flags={i = -1399680096}) at kernel/qeventloop.cpp:201
#21 0x00007f120f1495e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#22 0x000000000045c34d in _start ()

Reported using DrKonqi