Dear All I have just upgraded from FC5 to FC6 and now when I run 'yum update', I get the following error: Transaction Check Error: file /usr/include/postproc/postprocess.h conflicts between attempted installs of ffmpeg-libpostproc-0.4.9-0.7.20060918.fc6 and ffmpeg-devel-0.4.9-0.24.20060817.lvn6 file /usr/lib/libpostproc.so conflicts between attempted installs of ffmpeg-libpostproc-0.4.9-0.7.20060918.fc6 and ffmpeg-devel-0.4.9-0.24.20060817.lvn6 file /usr/lib/libpostproc.so.51 conflicts between attempted installs of ffmpeg-libpostproc-0.4.9-0.7.20060918.fc6 and ffmpeg-0.4.9-0.24.20060817.lvn6 file /usr/lib/pkgconfig/libpostproc.pc conflicts between attempted installs of ffmpeg-libpostproc-0.4.9-0.7.20060918.fc6 and ffmpeg-devel-0.4.9-0.24.20060817.lvn6 Any ideas? Thanks in advance, Paul