Version:           4.1.2 (using KDE 4.1.2)
OS:                Linux
Installed from:    Ubuntu Packages

In dolphin I browsed into a zip file (2 levels deep in the zup-file). I selected 3 files in the zip-file to copy and using the location bar I switched to the directory in which I needed these files. At the click in the location bar, Dolphin crashed.

This is the crash report:
Application: Dolphin (dolphin), signal SIGABRT
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[Thread debugging using libthread_db enabled]
[New Thread 0xb5ee8720 (LWP 28656)]
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[KCrash handler]
#6  0xb7f04410 in __kernel_vsyscall ()
#7  0xb6742085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb6743a01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb7548367 in qt_message_output () from /usr/lib/libQtCore.so.4
#10 0xb7548458 in qFatal () from /usr/lib/libQtCore.so.4
#11 0xb7548505 in qt_assert () from /usr/lib/libQtCore.so.4
#12 0xb7d2f890 in ?? () from /usr/lib/kde4/lib/libkio.so.5
#13 0xb7d2fc4a in KDirModel::indexForUrl () from /usr/lib/kde4/lib/libkio.so.5
#14 0xb7ed94a6 in DolphinView::restoreCurrentItem ()
   from /usr/lib/kde4/lib/libdolphinprivate.so.4
#15 0xb7ed9b20 in DolphinView::qt_metacall ()
   from /usr/lib/kde4/lib/libdolphinprivate.so.4
#16 0xb7650f79 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb7651642 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb7d19d87 in KDirLister::completed () from /usr/lib/kde4/lib/libkio.so.5
#19 0xb7d266d1 in ?? () from /usr/lib/kde4/lib/libkio.so.5
#20 0xb7d24026 in KDirLister::Private::CachedItemsJob::done ()
   from /usr/lib/kde4/lib/libkio.so.5
#21 0xb7d24093 in KDirLister::Private::CachedItemsJob::qt_metacall ()
   from /usr/lib/kde4/lib/libkio.so.5
#22 0xb764a8ab in QMetaCallEvent::placeMetaCall ()
   from /usr/lib/libQtCore.so.4
#23 0xb764bc31 in QObject::event () from /usr/lib/libQtCore.so.4
#24 0xb6bb9f9c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#25 0xb6bbebf9 in QApplication::notify () from /usr/lib/libQtGui.so.4
#26 0xb7ad7483 in KApplication::notify () from /usr/lib/kde4/lib/libkdeui.so.5
#27 0xb763c0b9 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#28 0xb763d469 in QCoreApplicationPrivate::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#29 0xb763d68d in QCoreApplication::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#30 0xb766762f in ?? () from /usr/lib/libQtCore.so.4
#31 0xb6286dd6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#32 0xb628a193 in ?? () from /usr/lib/libglib-2.0.so.0
#33 0xb628a74e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#34 0xb76679f8 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#35 0xb6c4da25 in ?? () from /usr/lib/libQtGui.so.4
#36 0xb763b33d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#37 0xb763b4cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#38 0xb763d74d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#39 0xb6bb9897 in QApplication::exec () from /usr/lib/libQtGui.so.4
#40 0x08080a89 in ?? ()
#41 0xb672d450 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#42 0x080619d1 in _start ()
#0  0xb7f04410 in __kernel_vsyscall ()