I have a Pocket PC coming in the mail, and am going to be encoding shows into WMV to watch on it, Right now I have My tivo set to encode at SVCD quality, and When i open the mpg files media player gets an error saying codec could not be downloaded, but plays the show fine.. BUT when i open the same file with windows media encoder it says it cannot find the codec to open and will not let me edit the file, So what do i need to change so I can be able to convert these? what exactly makes it think it needs a codec? Should I set my tivo to different resources so when i mux it to mpeg it plays fine? any help would be hugely appreciated. Thanks.

edit: I forgot to add, the fastest method I can figure out so far is to reencode the mpg file to regular mpeg-1 with TMPG but that takes soooo long.