there are people on the ares network having the same problem
http://www.p2pconsortium.com/index.php?showtopic=3754
i dont like the sound of it
now i am thinking similar thoughts about file spoofing
again i hope its nothing..
can you browse the shared folders of the peers you are getting the never compleating file from ?
to me this seems to be new problem people are just starting to have..