Dear All Any ideas regarding the following error message? nice -n 0 ffmpeg -i audiodump.wav -ab 224 -ar 48000 -ac 2 -acodec ac3 - y "damavag2.ac3" ffmpeg: error while loading shared libraries: /usr/lib/libavutil.so.49: cannot r estore segment prot after reloc: Permission denied Thanks in advance, Paul