Application that crashed: konqueror
Version of the application: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Konqueror crashed when I closed a website (http://detexify.kirelabs.org/classify.html). Not sure the website makes a difference though.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  0xb7ee2d37 in QMetaObject::cast (this=0xb21862e8, obj=0xa0af0f8) at kernel/qmetaobject.cpp:299
#7  0xb1c7639d in KHTMLPart::parentPart (this=0xa0af100) at /usr/include/qt4/QtCore/qobject.h:443
#8  0xb1c763e2 in KHTMLPart::toplevelURL (this=0xa0af100) at /build/buildd/kde4libs-4.2.96/khtml/khtml_part.cpp:7170
#9  0xb1e7761e in khtml::Loader::servePendingRequests (this=0x933e090) at /build/buildd/kde4libs-4.2.96/khtml/misc/loader.cpp:1404
#10 0xb1e8052b in khtml::Loader::qt_metacall (this=0x933e090, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfd09d58) at /build/buildd/kde4libs-4.2.96/obj-i486-linux-gnu/khtml/loader.moc:134
#11 0xb7ef3ca8 in QMetaObject::activate (sender=0x933e0a4, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3069
#12 0xb7ef4932 in QMetaObject::activate (sender=0x933e0a4, m=0xb7fd0904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3143
#13 0xb7f2f717 in QTimer::timeout (this=0x933e0a4) at .moc/release-shared/moc_qtimer.cpp:128
#14 0xb7ef96fe in QTimer::timerEvent (this=0x933e0a4, e=0xbfd0a1dc) at kernel/qtimer.cpp:261
#15 0xb7eee15f in QObject::event (this=0x933e0a4, e=0xbfd0a1dc) at kernel/qobject.cpp:1082
#16 0xb696ce9c in QApplicationPrivate::notify_helper (this=0x8e6dc10, receiver=0x933e0a4, e=0xbfd0a1dc) at kernel/qapplication.cpp:4084
#17 0xb697519e in QApplication::notify (this=0xbfd0a640, receiver=0x933e0a4, e=0xbfd0a1dc) at kernel/qapplication.cpp:3631
#18 0xb74a74dd in KApplication::notify (this=0xbfd0a640, receiver=0x933e0a4, event=0xbfd0a1dc) at /build/buildd/kde4libs-4.2.96/kdeui/kernel/kapplication.cpp:302
#19 0xb7edda3b in QCoreApplication::notifyInternal (this=0xbfd0a640, receiver=0x933e0a4, event=0xbfd0a1dc) at kernel/qcoreapplication.cpp:602
#20 0xb7f0cd71 in QTimerInfoList::activateTimers (this=0x8e7077c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#21 0xb7f094e0 in timerSourceDispatch (source=0x8e70748) at kernel/qeventdispatcher_glib.cpp:164
#22 0xb64ffb88 in IA__g_main_context_dispatch (context=0x8e6fc90) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#23 0xb65030eb in g_main_context_iterate (context=0x8e6fc90, block=1, dispatch=1, self=0x8e08db8) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#24 0xb6503268 in IA__g_main_context_iteration (context=0x8e6fc90, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#25 0xb7f09438 in QEventDispatcherGlib::processEvents (this=0x8e08d40, flags={i = -1076845736}) at kernel/qeventdispatcher_glib.cpp:323
#26 0xb6a0e365 in QGuiEventDispatcherGlib::processEvents (this=0x8e08d40, flags={i = -1076845688}) at kernel/qguieventdispatcher_glib.cpp:202
#27 0xb7edc06a in QEventLoop::processEvents (this=0xbfd0a400, flags={i = -1076845624}) at kernel/qeventloop.cpp:149
#28 0xb7edc4aa in QEventLoop::exec (this=0xbfd0a400, flags={i = -1076845560}) at kernel/qeventloop.cpp:200
#29 0xb7ede959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#30 0xb696cd17 in QApplication::exec () at kernel/qapplication.cpp:3553
#31 0xb4a6f0c8 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#32 0x0804e27d in launch (argc=2, _name=0x8e577b4 "/usr/bin/konqueror", args=0x8e577d0 "", cwd=0x0, envc=0, envs=0x8e577d5 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051391 "0") at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:676
#33 0x0804ea5d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1168
#34 0x0804efe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1361
#35 0x0804fbca in main (argc=2, argv=0xbfd0b034, envp=0xbfd0b040) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1788

Reported using DrKonqi