Application that crashed: konqueror
Version of the application: 4.3.1 (KDE 4.3.1)
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH x86_64
Distribution: "(none)"

What I was doing when the application crashed:
Konqueror freezes frequently browsing the web and while freezing it crashes with a few clicks.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f2ea7c56ad4 in KonqMainWindow::slotAddClosedUrl () from /usr/lib/libkdeinit4_konqueror.so
#6  0x00007f2ea7c63af5 in KonqMainWindow::qt_metacall () from /usr/lib/libkdeinit4_konqueror.so
#7  0x00007f2eb0255dec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#8  0x00007f2ea7c0e73f in KonqViewManager::aboutToRemoveTab () from /usr/lib/libkdeinit4_konqueror.so
#9  0x00007f2ea7c0f30b in KonqViewManager::removeTab () from /usr/lib/libkdeinit4_konqueror.so
#10 0x00007f2ea7c63dcd in KonqMainWindow::qt_metacall () from /usr/lib/libkdeinit4_konqueror.so
#11 0x00007f2eb0255dec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0x00007f2eb025ae2f in ?? () from /usr/lib/libQtCore.so.4
#13 0x00007f2eb024fd93 in QObject::event () from /usr/lib/libQtCore.so.4
#14 0x00007f2eadfd869c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#15 0x00007f2eadfdf96e in QApplication::notify () from /usr/lib/libQtGui.so.4
#16 0x00007f2eaec0c8d6 in KApplication::notify () from /usr/lib/libkdeui.so.5
#17 0x00007f2eb0240cec in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#18 0x00007f2eb026c302 in ?? () from /usr/lib/libQtCore.so.4
#19 0x00007f2eb026926d in ?? () from /usr/lib/libQtCore.so.4
#20 0x00007f2eacf2cdbe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x00007f2eacf30568 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#22 0x00007f2eacf30690 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0x00007f2eb02691b6 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#24 0x00007f2eae06b64e in ?? () from /usr/lib/libQtGui.so.4
#25 0x00007f2eb023f5f2 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#26 0x00007f2eb023f9c4 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#27 0x00007f2eb0241b79 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#28 0x00007f2ea7c90283 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#29 0x0000000000406eae in _start ()

Reported using DrKonqi