- remove all references to debian-multimedia.org from /etc/apt/sources.list and /etc/apt/sources.list.d/*.list - apt-get install libavutil49 libavutil50- This will of course remove all marillat packages built against 'his' ffmpeg. Ben, could you try these instructions out? If they work out, I'll note them in our Team FAQ. -- Gruesse/greetings, Reinhard Tartler, KeyID 945348A4