Version:            (using KDE 4.2.4)
Installed from:    Gentoo Packages

I have do:
- Konqueror, use web browser part for go to website and download kaffeine-1.0-pre1
- in url in konqueror I have put: /home/user/
- Right click, auto extact with autodetect sub folder
- double click for open new generated folder
- Open terminal here
- Crash

The back trace:
Application: Konqueror (konqueror), signal SIGABRT
0x00007f741c082451 in nanosleep () from /lib/libc.so.6
Current language:  auto; currently c
[Current thread is 0 (LWP 29720)]

Thread 2 (Thread 0x7f7410b10910 (LWP 29721)):
#0  0x00007f741c0ac7a2 in select () from /lib/libc.so.6
#1  0x00007f741eafe402 in QProcessManager::run (this=0xd3a2c0) at io/qprocess_unix.cpp:305
#2  0x00007f741ea3dac9 in QThreadPrivate::start (arg=0xd3a2c0) at thread/qthread_unix.cpp:189
#3  0x00007f741e7cb2d7 in start_thread (arg=<value optimized out>) at pthread_create.c:297
#4  0x00007f741c0b338d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f74214cb750 (LWP 29720)):
[KCrash Handler]
#5  0x00007f741c013645 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f741c014b63 in *__GI_abort () at abort.c:88
#7  0x00007f741ea352e5 in qt_message_output (msgType=QtFatalMsg, buf=<value optimized out>) at global/qglobal.cpp:2017
#8  0x00007f741ea35400 in qFatal (msg=<value optimized out>) at global/qglobal.cpp:2216
#9  0x00007f7420367361 in KDirModelPrivate::_k_slotNewItems (this=0x10bab90, directoryUrl=<value optimized out>, items=@0x127aa40)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4/kio/kio/kdirmodel.cpp:367
#10 0x00007f742036745a in KDirModel::qt_metacall (this=0x10bf9c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff93b06d20)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4_build/kio/kdirmodel.moc:78
#11 0x00007f741eb3217d in QMetaObject::activate (sender=0x10b47e0, from_signal_index=<value optimized out>, to_signal_index=14, argv=0xffffffffffffffff) at kernel/qobject.cpp:3108
#12 0x00007f742035011a in KDirLister::itemsAdded (this=0x7418, _t1=<value optimized out>, _t2=<value optimized out>)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4_build/kio/kdirlister.moc:268
#13 0x00007f742035120a in KDirLister::Private::emitItems (this=0x10bb3b0) at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4/kio/kio/kdirlister.cpp:2276
#14 0x00007f7420355412 in KDirListerCache::emitRefreshItem (this=<value optimized out>, oldItem=@0x7fff93b07040, fileitem=@0x10f5c58)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4/kio/kio/kdirlister.cpp:962
#15 0x00007f742035b7e4 in KDirListerCache::slotFilesChanged (this=0x10ad290, fileList=@0x1158f20) at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4/kio/kio/kdirlister.cpp:834
#16 0x00007f742035c0dc in KDirListerCache::qt_metacall (this=0x10ad290, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff93b07210)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4_build/kio/kdirlister_p.moc:93
#17 0x00007f741eb3217d in QMetaObject::activate (sender=0x10c39d0, from_signal_index=<value optimized out>, to_signal_index=8, argv=0xffffffffffffffff) at kernel/qobject.cpp:3108
#18 0x00007f742036aa05 in OrgKdeKDirNotifyInterface::FilesChanged (this=0x7418, _t1=<value optimized out>)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4_build/kio/kdirnotify.moc:118
#19 0x00007f742036ab64 in OrgKdeKDirNotifyInterface::qt_metacall (this=0x10c39d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff93b07300)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4_build/kio/kdirnotify.moc:82
#20 0x00007f741ee1dd1b in QDBusConnectionPrivate::deliverCall (this=0xda7b90, object=0x10c39d0, msg=@0x12828d8, metaTypes=@0x12828e0, slotIdx=8) at qdbusintegrator.cpp:891
#21 0x00007f741ee24bff in QDBusCallDeliveryEvent::placeMetaCall (this=0x0, object=0x7418) at qdbusintegrator_p.h:101
#22 0x00007f741eb2ce01 in QObject::event (this=0x10c39d0, e=0x1282890) at kernel/qobject.cpp:1106
#23 0x00007f741ddf251d in QApplicationPrivate::notify_helper (this=0xd36520, receiver=0x10c39d0, e=0x1282890) at kernel/qapplication.cpp:4057
#24 0x00007f741ddfb01e in QApplication::notify (this=0x7fff93b080e0, receiver=0x10c39d0, e=0x1282890) at kernel/qapplication.cpp:4022
#25 0x00007f741f8f5b51 in KApplication::notify (this=0x7fff93b080e0, receiver=0x10c39d0, event=0x1282890)
    at /var/tmp/portage/kde-base/kdelibs-4.2.4-r1/work/kdelibs-4.2.4/kdeui/kernel/kapplication.cpp:307
#26 0x00007f741eb1cb23 in QCoreApplication::notifyInternal (this=0x7fff93b080e0, receiver=0x10c39d0, event=0x1282890) at kernel/qcoreapplication.cpp:606
#27 0x00007f741eb2025d in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xd1fde0) at kernel/qcoreapplication.h:213
#28 0x00007f741eb44923 in postEventSourceDispatch (s=<value optimized out>) at kernel/qcoreapplication.h:218
#29 0x00007f741a9c5242 in IA__g_main_context_dispatch (context=0xd385c0) at gmain.c:2144
#30 0x00007f741a9c895d in g_main_context_iterate (context=0xd385c0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2778
#31 0x00007f741a9c8b1b in IA__g_main_context_iteration (context=0xd385c0, may_block=1) at gmain.c:2841
#32 0x00007f741eb4467f in QEventDispatcherGlib::processEvents (this=0xd367a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#33 0x00007f741de7f7cf in QGuiEventDispatcherGlib::processEvents (this=0x7418, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007f741eb1b7c2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1817149904}) at kernel/qeventloop.cpp:149
#35 0x00007f741eb1b955 in QEventLoop::exec (this=0x7fff93b07e70, flags={i = -1817149824}) at kernel/qeventloop.cpp:196
#36 0x00007f741eb20516 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x00007f74210a7712 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/konqueror-4.2.4/work/konqueror-4.2.4/konqueror/src/konqmain.cpp:257
#38 0x00007f741bfffa26 in __libc_start_main (main=0x4009c0 <main>, argc=2, ubp_av=0x7fff93b08b98, init=0x4009f0 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff93b08b88) at libc-start.c:220
#39 0x00000000004008f9 in _start () at ../sysdeps/x86_64/elf/start.S:113