Version:            (using Devel)
Installed from:    Compiled sources
Compiler:          GCC-4.2.3 
OS:                Linux

Konqueror crashes each time I'm trying to change a file association. 

Backtrace :

Application: Konqueror (konqueror), signal SIGSEGV
Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0xb607f720 (LWP 14600)]
[New Thread 0xb217bb90 (LWP 14667)]
[KCrash handler]
#6  0xb1940962 in QListWidgetItem::text (this=0x0)
    at /usr/include/qt4/QtGui/qlistwidget.h:92
#7  0xb194347d in KServiceListWidget::addService (this=0x92c6ee0)
    at /home/loacoon/Documents/Downloads/SVN/KDE4/KDE/kdebase/apps/konqueror/settings/filetypes/kservicelistwidget.cpp:263
#8  0xb19436bd in KServiceListWidget::qt_metacall (this=0x92c6ee0, 
    _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfa9e9dc)
    at /home/loacoon/Documents/Downloads/SVN/KDE4/build/kdebase/apps/konqueror/settings/filetypes/kservicelistwidget.moc:79
#9  0xb71ec5d9 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb71eca10 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb6df3031 in QAbstractButton::clicked () from /usr/lib/libQtGui.so.4
#12 0xb6b533e9 in ?? () from /usr/lib/libQtGui.so.4
#13 0xb6b54c80 in ?? () from /usr/lib/libQtGui.so.4
#14 0xb6b54edb in QAbstractButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#15 0xb6871314 in QWidget::event () from /usr/lib/libQtGui.so.4
#16 0xb6b53f9f in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#17 0xb6bf8d72 in QPushButton::event () from /usr/lib/libQtGui.so.4
#18 0xb6819bac in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#19 0xb681ec65 in QApplication::notify () from /usr/lib/libQtGui.so.4
#20 0xb788afbb in KApplication::notify (this=0xbfa9f7ec, receiver=0x9323bf8, 
    event=0xbfa9f050)
    at /home/loacoon/Documents/Downloads/SVN/KDE4/KDE/kdelibs/kdeui/kernel/kapplication.cpp:311
#21 0xb71d7899 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#22 0xb681bdb1 in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#23 0xb68853ce in ?? () from /usr/lib/libQtGui.so.4
#24 0xb68842de in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#25 0xb68abfc4 in ?? () from /usr/lib/libQtGui.so.4
#26 0xb61b2978 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb61b5bce in ?? () from /usr/lib/libglib-2.0.so.0
#28 0x08059d18 in ?? ()
#29 0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()