Version:           4.0.3 (KDE 4.0.3) (using 4.0.3 (KDE 4.0.3), Kubuntu packages)
Compiler:          gcc
OS:                Linux (i686) release 2.6.24-18-generic

When moving files from home directory to a subfolder, konqueror found a file, which was already copied before.

The program duly asked me, what to do, and I told it to overwrite all such files
Konqueror promptly crashed with the below stack.

(no debugging symbols found)
[...]
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb6469720 (LWP 25974)]
(no debugging symbols found)
[...]
(no debugging symbols found)
[KCrash handler]
#6  0xb7c32da2 in QUrl::operator= () from /usr/lib/libQtCore.so.4
#7  0xb7a74a69 in KUrl::operator= () from /usr/lib/kde4/lib/libkdecore.so.5
#8  0xb75547f8 in ?? () from /usr/lib/kde4/lib/libkio.so.5
#9  0xb75561a3 in ?? () from /usr/lib/kde4/lib/libkio.so.5
#10 0xb75571d0 in KIO::CopyJob::qt_metacall ()
   from /usr/lib/kde4/lib/libkio.so.5
#11 0xb7c7ccf4 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb7c7d8c2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb7a7a453 in KJob::result () from /usr/lib/kde4/lib/libkdecore.so.5
#14 0xb7a7a972 in KJob::emitResult () from /usr/lib/kde4/lib/libkdecore.so.5
#15 0xb757180f in KIO::SimpleJob::slotFinished ()
   from /usr/lib/kde4/lib/libkio.so.5
#16 0xb756f50b in KIO::SimpleJob::slotError ()
   from /usr/lib/kde4/lib/libkio.so.5
#17 0xb7571331 in KIO::SimpleJob::qt_metacall ()
   from /usr/lib/kde4/lib/libkio.so.5
#18 0xb7c7ccf4 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb7c7d8c2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#20 0xb760f6a9 in KIO::SlaveInterface::error ()
   from /usr/lib/kde4/lib/libkio.so.5
#21 0xb761193e in KIO::SlaveInterface::dispatch ()
   from /usr/lib/kde4/lib/libkio.so.5
#22 0xb7611dbd in KIO::SlaveInterface::dispatch ()
   from /usr/lib/kde4/lib/libkio.so.5
#23 0xb7604d67 in KIO::Slave::gotInput () from /usr/lib/kde4/lib/libkio.so.5
#24 0xb760611d in KIO::Slave::qt_metacall ()
   from /usr/lib/kde4/lib/libkio.so.5
#25 0xb7c7ccf4 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#26 0xb7c7d8c2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#27 0xb754b9e7 in KIO::Connection::readyRead ()
   from /usr/lib/kde4/lib/libkio.so.5
#28 0xb754c858 in ?? () from /usr/lib/kde4/lib/libkio.so.5
#29 0xb754d6ae in KIO::Connection::qt_metacall ()
   from /usr/lib/kde4/lib/libkio.so.5
#30 0xb7c7686b in QMetaCallEvent::placeMetaCall ()
   from /usr/lib/libQtCore.so.4
#31 0xb7c7b943 in QObject::event () from /usr/lib/libQtCore.so.4
#32 0xb6cd828d in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#33 0xb6cdbce7 in QApplication::notify () from /usr/lib/libQtGui.so.4
#34 0xb785fce3 in KApplication::notify () from /usr/lib/kde4/lib/libkdeui.so.5
#35 0xb7c69c1b in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#36 0xb7c6b505 in QCoreApplicationPrivate::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#37 0xb7c6b7cd in QCoreApplication::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#38 0xb7c8dbe0 in ?? () from /usr/lib/libQtCore.so.4
#39 0xb69d7bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#40 0xb69dae5e in ?? () from /usr/lib/libglib-2.0.so.0
#41 0xb69db3ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#42 0xb7c8df82 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#43 0xb6d59475 in ?? () from /usr/lib/libQtGui.so.4
#44 0xb7c68fb2 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#45 0xb7c690bc in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#46 0xb7c6b88a in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#47 0xb6cd76e7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#48 0xb7f494f3 in kdemain () from /usr/lib/kde4/lib/libkdeinit4_konqueror.so
#49 0x08048582 in _start ()
#0  0xb7f61410 in __kernel_vsyscall ()