I don't understand this at all
 

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Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 4366)]
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[KCrash handler]
#5 0x415aad81 in kill () from /lib/libc.so.6
#6 0x41443681 in pthread_kill () from /lib/libpthread.so.0
#7 0x414439fb in raise () from /lib/libpthread.so.0
#8 0x415aab14 in raise () from /lib/libc.so.6
#9 0x415ac05d in abort () from /lib/libc.so.6
#10 0x41534694 in __cxa_call_unexpected () from /usr/lib/./libstdc++.so.5
#11 0x415346d1 in std::terminate () from /usr/lib/./libstdc++.so.5
#12 0x415348ab in __cxa_rethrow () from /usr/lib/./libstdc++.so.5
#13 0x4009754e in bt::MultiFileCache::downloadStatusChanged ()
from /opt/kde/lib/libktorrent.so.0
#14 0x4006c6bd in bt::ChunkManager::downloadStatusChanged ()
from /opt/kde/lib/libktorrent.so.0
#15 0x4006cc54 in bt::ChunkManager::qt_invoke ()
from /opt/kde/lib/libktorrent.so.0
#16 0x40cea1ec in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#17 0x4009da73 in bt::TorrentFile::downloadStatusChanged ()
from /opt/kde/lib/libktorrent.so.0
#18 0x4009d682 in bt::TorrentFile::setDoNotDownload ()
from /opt/kde/lib/libktorrent.so.0
#19 0x4006c606 in bt::ChunkManager::loadFileInfo ()
from /opt/kde/lib/libktorrent.so.0
#20 0x4006ab31 in bt::ChunkManager::loadIndexFile ()
from /opt/kde/lib/libktorrent.so.0
#21 0x4007bdec in bt::TorrentControl::init ()
from /opt/kde/lib/libktorrent.so.0
#22 0x080688d8 in QListViewItem::removeItem ()
#23 0x08068d45 in QListViewItem::removeItem ()
#24 0x0805c021 in QGList::count ()
#25 0x0806d177 in QMapPrivate<bt::IPKey, int>::clear ()
#26 0x408d1342 in KUniqueApplication::processDelayed ()
from /opt/kde/lib/libkdecore.so.4
#27 0x408d17ef in KUniqueApplication::qt_invoke ()
from /opt/kde/lib/libkdecore.so.4
#28 0x0806d3d7 in QMapPrivate<bt::IPKey, int>::clear ()
#29 0x40cea1ec in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#30 0x4100d0fa in QSignal::signal () from /usr/lib/qt/lib/libqt-mt.so.3
#31 0x40d043dd in QSignal::activate () from /usr/lib/qt/lib/libqt-mt.so.3
#32 0x40d0bd13 in QSingleShotTimer::event ()
from /usr/lib/qt/lib/libqt-mt.so.3
#33 0x40c8d95f in QApplication::internalNotify ()
from /usr/lib/qt/lib/libqt-mt.so.3
#34 0x40c8cf5e in QApplication::notify () from /usr/lib/qt/lib/libqt-mt.so.3
#35 0x40813585 in KApplication::notify () from /opt/kde/lib/libkdecore.so.4
#36 0x40c7d195 in QEventLoop::activateTimers ()
from /usr/lib/qt/lib/libqt-mt.so.3
#37 0x40c378fb in QEventLoop::processEvents ()
from /usr/lib/qt/lib/libqt-mt.so.3
#38 0x40c9fd18 in QEventLoop::enterLoop () from /usr/lib/qt/lib/libqt-mt.so.3
#39 0x40c9fbc8 in QEventLoop::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#40 0x40c8dbb1 in QApplication::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#41 0x0805b471 in ?? ()
#42 0x4159744b in __libc_start_main () from /lib/libc.so.6
#43 0x0805b1f1 in ?? ()










The application crashed and caused a signal 6 (SIGABRT).
What does this all mean?

if you want help you need to actually write a full post and ask a question, not just paste something from a terminal... and a please and thankyou next maybe too?