Using Bitzi Lookup is generally the best advice we can give.
How to use Bitzi Web Lookup. Certainly on the mac, fake files take much longer to attempt to connect & are noticable in their behaviour. But this doesn't seem to apply for windows users. Generally the way to see obvious fake results are you get many hundreds or thousands in your search results. A good place to look for tips is here
http://www.gnutellaforums.com/downlo...load-help.html. Fake files come in different forms. Those that are hosted but undownloadable. The perpetrators probably have upload slots set to zero but I don't know. Another is autogenerated spam which also comes in different forms.