[Ubuntu-PT 9009] k9copy crash

[Paulo J. S. Pinhal]

Estou tentando ripar um dvd, que se encontra sob uma imagem iso, e antes 
de atingir 2% do processo, a aplicação crasha.
Corri o k9copy na consola para ver as mensagens de erro para descobrir 
qual o motivo, mas não cheguei a qualquer conclusão.
O conteúdo da consola é:

paulo  paphyrus:~$ k9copy
k9copy(2932)/kio (KDirModel) KDirModelPrivate::_k_slotDeleteItems: No 
node found for item that was just removed: 
KUrl("file:///home/paulo/Documentos/Agost_Silva.k3b")
NAME OPEN FAILED
libdvdnav: Unable to find map file '/home/paulo/.dvdnav/.map'
libdvdnav: DVD disk reports itself with Region mask 0x00000000. Regions: 
1 2 3 4 5 6 7 8
" /usr/bin/mencoder /dev/stdin -ovc copy -af volume=7 -oac mp3lame 
-lameopts abr:br=128 -o /home/paulo/Vídeos/DVD Riper/unknown.avi -of avi"
INFOIMAGE:/tmp/kde-paulo/k9copy/k9pwD2932.pngQSocketNotifier: Invalid 
socket 22 and type 'Read', disabling...
KCrash: Application 'k9copy' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/paulo/.kde/socket-paphyrus/kdeinit4__0
QFile::at: Cannot set file position 160124928
QFile::at: Cannot set file position 0
QFile::at: Cannot set file position 0
QFile::at: Cannot set file position 0
QFile::at: Cannot set file position 0
QFile::at: Cannot set file position 0
QThread: Destroyed while thread is still running
[2]   Exit 253                k9copy

[3]+  Stopped                 k9copy
paulo  paphyrus:~$

Tenho instalado o Medibuntu, ubuntu-restricted-extras, ibdvdread4 e 
libdvdcss2.
Alguém me pode ajudar?

Desde já os meus agradecimentos.