this is kind of the wrong thread, this thread (if i remeber correctly) is about maximising your download speeds...your problem doesnt seem to come from a low download speed...and its probably a bug on one or more of three things:
your computer
Limewire
the other persons computer

try downloading it from someone else and try downloading a song of a similar size, possibly a similar speed 9f you can find one. then see what happens and if it still fails its probably you version of limewire or your pc..i sugest starting a new thread or looking through the other threads to cure this problem...please do not hijack threads..esp this useful one