You could be downloading a bad file. Try searching again.
You can try to browse host & that way, you'll be able to download other things from the one host. Here's some info about 'browse host' (it doesn't always work for whatever unknown reason)
http://www.gnutellaforums.com/showth...threadid=30911
You'll have to have chat enabled (tools > options > chat. Tick 'enable chat' & apply). The other host should also have chat enabled
**Are you sure it's not a problem with the player? If you're using the LW player, it can do some strange things! Try making something else your default player & see if the same thing happens.