Sounds like a license issue; read here on how to change this:
http://www.gnutellaforums.com/showth...176#post154176
Besides, it's rather risky to download rar/zip/exe files via the network since most of them (99.9%) are infected with any thinkable virus/maleware/trojan....
So, if you wanna take the risk,.....keep the following programs handy:
http://www.lavasoftusa.com/software/adaware/(free) http://www.grisoft.com(good free AVG) http://www.ewido.com(>>now called AVG Anti Spyware<< free 30 day trial -the best in my opinion) http://www.ccleaner.com/download/(free) Spybot - Search & Destroy (FREE)
And if you got infected and you can't get rid of it go here and get some free computer help:
http://norbiesworld.co.uk/computerhelp
Learning how to use Bitzi wouldn't hurt either:
How to use Bitzi 