Version:           2.1.60 (using Devel)
Installed from:    Compiled sources
Compiler:          g++ (GCC) 4.2.3 (Ubuntu 4.2.3-2ubuntu7) 
OS:                Linux

i only tried downloading some *.tar.gz and .mpeg files, but once downloading is over, kget crashes.

Backtrace:
Application: KGet (kget), signal SIGSEGV

Thread 1 (Thread 0xb5daa720 (LWP 11635)):
[KCrash Handler]
#6  0xb6ab20e3 in Nepomuk::ResourceData::isValid (this=0xf7) at /home/kde-devel/kde/src/KDE/kdelibs/nepomuk/core/resourcedata.cpp:463
#7  0xb6acf398 in Nepomuk::Resource::isValid (this=0x8549338) at /home/kde-devel/kde/src/KDE/kdelibs/nepomuk/core/resource.cpp:262
#8  0xb7bcea6e in NepomukHandler::saveFileProperties (this=0x8549330) at /home/kde-devel/kde/src/KDE/kdenetwork/kget/core/nepomukhandler.cpp:62
#9  0xb7bb8f69 in Transfer::setStatus (this=0x8553fc0, jobStatus=Job::Finished, text=@0xbf8cb888, pix=@0xbf8cb864) at /home/kde-devel/kde/src/KDE/kdenetwork/kget/core/transfer.cpp:220
#10 0xb5cbb02f in TransferKio::slotResult (this=0x8553fb8, kioJob=0x8549330) at /home/kde-devel/kde/src/KDE/kdenetwork/kget/transfer-plugins/kio/transferKio.cpp:121
#11 0xb5cbb368 in TransferKio::qt_metacall (this=0x8553fb8, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbf8cb98c)
    at /home/kde-devel/kde/build/KDE/kdenetwork/kget/transfer-plugins/kio/transferKio.moc:90
#12 0xb68fb859 in QMetaObject::activate (sender=0x8549330, from_signal_index=7, to_signal_index=7, argv=0xbf8cb98c) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3010
#13 0xb68fbf22 in QMetaObject::activate (sender=0x8549330, m=0xb776e868, local_signal_index=3, argv=0xbf8cb98c) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3080
#14 0xb7660538 in KJob::result (this=0x8549330, _t1=0x8549330) at /home/kde-devel/kde/build/KDE/kdelibs/kdecore/kjob.moc:186
#15 0xb7660a7c in KJob::emitResult (this=0x8549330) at /home/kde-devel/kde/src/KDE/kdelibs/kdecore/jobs/kjob.cpp:290
#16 0xb78c2fc4 in KIO::FileCopyJob::slotResult (this=0x8549330, job=0x83ff9f8) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/job.cpp:2191
#17 0xb78c3d5f in KIO::FileCopyJob::qt_metacall (this=0x8549330, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbf8cbaec) at /home/kde-devel/kde/build/KDE/kdelibs/kio/jobclasses.moc:658
#18 0xb68fb859 in QMetaObject::activate (sender=0x83ff9f8, from_signal_index=7, to_signal_index=7, argv=0xbf8cbaec) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3010
#19 0xb68fbf22 in QMetaObject::activate (sender=0x83ff9f8, m=0xb776e868, local_signal_index=3, argv=0xbf8cbaec) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3080
#20 0xb7660538 in KJob::result (this=0x83ff9f8, _t1=0x83ff9f8) at /home/kde-devel/kde/build/KDE/kdelibs/kdecore/kjob.moc:186
#21 0xb7660a7c in KJob::emitResult (this=0x83ff9f8) at /home/kde-devel/kde/src/KDE/kdelibs/kdecore/jobs/kjob.cpp:290
#22 0xb78bce01 in KIO::SimpleJob::slotFinished (this=0x83ff9f8) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/job.cpp:498
#23 0xb78bd1da in KIO::TransferJob::slotFinished (this=0x83ff9f8) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/job.cpp:967
#24 0xb78c4191 in KIO::TransferJob::qt_metacall (this=0x83ff9f8, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf8cbcf8) at /home/kde-devel/kde/build/KDE/kdelibs/kio/jobclasses.moc:336
#25 0xb68fb859 in QMetaObject::activate (sender=0x83fb120, from_signal_index=8, to_signal_index=8, argv=0x0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3010
#26 0xb68fbf22 in QMetaObject::activate (sender=0x83fb120, m=0xb7a3f644, local_signal_index=4, argv=0x0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3080
#27 0xb7966c51 in KIO::SlaveInterface::finished (this=0x83fb120) at /home/kde-devel/kde/build/KDE/kdelibs/kio/slaveinterface.moc:163
#28 0xb7968b4b in KIO::SlaveInterface::dispatch (this=0x83fb120, _cmd=104, rawdata=@0xbf8cbe78) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/slaveinterface.cpp:176
#29 0xb7968a37 in KIO::SlaveInterface::dispatch (this=0x83fb120) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/slaveinterface.cpp:91
#30 0xb795b05c in KIO::Slave::gotInput (this=0x83fb120) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/slave.cpp:319
#31 0xb795c496 in KIO::Slave::qt_metacall (this=0x83fb120, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbf8cbf78) at /home/kde-devel/kde/build/KDE/kdelibs/kio/slave.moc:75
#32 0xb68fb859 in QMetaObject::activate (sender=0x83dda80, from_signal_index=4, to_signal_index=4, argv=0x0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3010
#33 0xb68fbf22 in QMetaObject::activate (sender=0x83dda80, m=0xb7a3c2a0, local_signal_index=0, argv=0x0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:3080
#34 0xb788c557 in KIO::Connection::readyRead (this=0x83dda80) at /home/kde-devel/kde/build/KDE/kdelibs/kio/connection.moc:84
#35 0xb788d497 in KIO::ConnectionPrivate::dequeue (this=0x83dda48) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/connection.cpp:82
#36 0xb788e3c5 in KIO::Connection::qt_metacall (this=0x83dda80, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x83a38e0) at /home/kde-devel/kde/build/KDE/kdelibs/kio/connection.moc:72
#37 0xb68f51eb in QMetaCallEvent::placeMetaCall (this=0x83fadd0, object=0x83dda80) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:535
#38 0xb68f7231 in QObject::event (this=0x83dda80, e=0x83fadd0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qobject.cpp:1140
#39 0xb6d4b83c in QApplicationPrivate::notify_helper (this=0x80c72f8, receiver=0x83dda80, e=0x83fadd0) at /home/kde-devel/kde/src/qt-copy/src/gui/kernel/qapplication.cpp:3772
#40 0xb6d503c9 in QApplication::notify (this=0xbf8cc768, receiver=0x83dda80, e=0x83fadd0) at /home/kde-devel/kde/src/qt-copy/src/gui/kernel/qapplication.cpp:3366
#41 0xb7da007b in KApplication::notify (this=0xbf8cc768, receiver=0x83dda80, event=0x83fadd0) at /home/kde-devel/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:311
#42 0xb68e6a09 in QCoreApplication::notifyInternal (this=0xbf8cc768, receiver=0x83dda80, event=0x83fadd0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:587
#43 0xb68e7db9 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x80b0880) at ../../include/QtCore/../../../../src/qt-copy/src/corelib/kernel/qcoreapplication.h:215
#44 0xb68e7fdd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:1091
#45 0xb6911f2f in postEventSourceDispatch (s=0x80c8be0) at ../../include/QtCore/../../../../src/qt-copy/src/corelib/kernel/qcoreapplication.h:220
#46 0xb62dfdd6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#47 0xb62e3193 in ?? () from /usr/lib/libglib-2.0.so.0
#48 0xb62e374e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#49 0xb69122f8 in QEventDispatcherGlib::processEvents (this=0x80c13c0, flags=@0xbf8cc658) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:325
#50 0xb6dddbc5 in QGuiEventDispatcherGlib::processEvents (this=0x80c13c0, flags=@0xbf8cc688) at /home/kde-devel/kde/src/qt-copy/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#51 0xb68e5c8d in QEventLoop::processEvents (this=0xbf8cc700, flags=@0xbf8cc6c4) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qeventloop.cpp:149
#52 0xb68e5e1d in QEventLoop::exec (this=0xbf8cc700, flags=@0xbf8cc708) at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qeventloop.cpp:200
#53 0xb68e809d in QCoreApplication::exec () at /home/kde-devel/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:845
#54 0xb6d4b197 in QApplication::exec () at /home/kde-devel/kde/src/qt-copy/src/gui/kernel/qapplication.cpp:3304
#55 0x0809cc1f in main (argc=2, argv=0xbf8cc944) at /home/kde-devel/kde/src/KDE/kdenetwork/kget/main.cpp:153