The last two weeks recording the Home front omnibus on radio 4, the programme was truncated a minute or so before the end, I downloaded twice on different machines Linux and windows. Both episodes play fine from the web interface? Out of several hundred shows I get each week, this is the only one that fails in this way. Is there some diagnostic I should employ, or just put it down to experience.

It's a bit like this
http://xkcd.com/1495