i have vlcplayver v1.0 on 2 pcs, both running windows xp & both with a similar collection of other palyers & codes - WMP, Quictime, Zoom player, Powerdvd, ffdshow, 3ivx... on one of the PCs, none of my .m4a & .m4b files are workign. the codec & file length info looks ok - all the sli...