Version:           3.5.3 (using KDE KDE 3.5.3)
Installed from:    Unspecified Linux
OS:                Linux

I just wanted to download a file from Sourceforge.net, a libvisual tarball, and konqueror crashed just before the download start.
Heres the backtrace

(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)
`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1231219024 (LWP 17800)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[KCrash handler]
#6  0xb74bd612 in QString::operator= () from /opt/qt/lib/libqt-mt.so.3
#7  0xb77bd8d6 in KURL::operator= () from /opt/kde/lib/libkdecore.so.4
#8  0xb77f9f53 in KURL::KURL () from /opt/kde/lib/libkdecore.so.4
#9  0xb7d73c1d in QValueListPrivate<KURL>::insert ()
   from /opt/kde/lib/libkio.so.4
#10 0xb7d43abc in KIO::copy () from /opt/kde/lib/libkio.so.4
#11 0xb7f4007e in KParts::BrowserRun::simpleSave ()
   from /opt/kde/lib/libkparts.so.2
#12 0xb7f4039a in KParts::BrowserRun::save () from /opt/kde/lib/libkparts.so.2
#13 0xb7f43636 in KParts::BrowserRun::handleNonEmbeddable ()
   from /opt/kde/lib/libkparts.so.2
#14 0xb67999d7 in KonqRun::foundMimeType ()
   from /opt/kde/lib/libkdeinit_konqueror.so
#15 0xb7f43b65 in KParts::BrowserRun::slotBrowserMimetype ()
   from /opt/kde/lib/libkparts.so.2
#16 0xb7f43cce in KParts::BrowserRun::qt_invoke ()
   from /opt/kde/lib/libkparts.so.2
#17 0xb676b6b8 in KonqRun::qt_invoke ()
   from /opt/kde/lib/libkdeinit_konqueror.so
#18 0xb71e9ad9 in QObject::activate_signal () from /opt/qt/lib/libqt-mt.so.3
#19 0xb7d00e50 in KIO::TransferJob::mimetype () from /opt/kde/lib/libkio.so.4
#20 0xb7d00ed2 in KIO::TransferJob::slotMimetype ()
   from /opt/kde/lib/libkio.so.4
#21 0xb7d40ebd in KIO::TransferJob::qt_invoke () from /opt/kde/lib/libkio.so.4
#22 0xb71e9ad9 in QObject::activate_signal () from /opt/qt/lib/libqt-mt.so.3
#23 0xb71ea3d1 in QObject::activate_signal () from /opt/qt/lib/libqt-mt.so.3
#24 0xb7d0e5b3 in KIO::SlaveInterface::mimeType ()
   from /opt/kde/lib/libkio.so.4
#25 0xb7d6c465 in KIO::SlaveInterface::dispatch ()
   from /opt/kde/lib/libkio.so.4
#26 0xb7d5c168 in KIO::SlaveInterface::dispatch ()
   from /opt/kde/lib/libkio.so.4
#27 0xb7d0ffcb in KIO::Slave::gotInput () from /opt/kde/lib/libkio.so.4
#28 0xb7d5d860 in KIO::Slave::qt_invoke () from /opt/kde/lib/libkio.so.4
#29 0xb71e9ad9 in QObject::activate_signal () from /opt/qt/lib/libqt-mt.so.3
#30 0xb71ea0a1 in QObject::activate_signal () from /opt/qt/lib/libqt-mt.so.3
#31 0xb7525890 in QSocketNotifier::activated () from /opt/qt/lib/libqt-mt.so.3
#32 0xb7208950 in QSocketNotifier::event () from /opt/qt/lib/libqt-mt.so.3
#33 0xb718a6a1 in QApplication::internalNotify ()
   from /opt/qt/lib/libqt-mt.so.3
#34 0xb718b09f in QApplication::notify () from /opt/qt/lib/libqt-mt.so.3
#35 0xb78b516e in KApplication::notify () from /opt/kde/lib/libkdecore.so.4
#36 0xb717e6ed in QEventLoop::activateSocketNotifiers ()
   from /opt/qt/lib/libqt-mt.so.3
#37 0xb71383f5 in QEventLoop::processEvents () from /opt/qt/lib/libqt-mt.so.3
#38 0xb71a11d3 in QEventLoop::enterLoop () from /opt/qt/lib/libqt-mt.so.3
#39 0xb71a10b6 in QEventLoop::exec () from /opt/qt/lib/libqt-mt.so.3
#40 0xb718a0bf in QApplication::exec () from /opt/qt/lib/libqt-mt.so.3
#41 0xb67b5485 in kdemain () from /opt/kde/lib/libkdeinit_konqueror.so
#42 0xb77046e4 in kdeinitmain () from /opt/kde/lib/kde3/konqueror.so
#43 0x0804e457 in ?? ()
#44 0x00000004 in ?? ()
#45 0x08104338 in ?? ()
#46 0x00000001 in ?? ()
#47 0x00000000 in ?? ()