Most of us in this forum do not recommend that anyone download zip or exe files, here are some reasons:-
http://www.gnutellaforums.com/showpo...58&postcount=1
http://www.gnutellaforums.com/general-windows-support/69220-help-my-files-library-changed-ziped-files.html
http://www.gnutellaforums.com/showth...ight=exe+virus
However, if you will insist then insure that you have an Anti-Virus application that has the latest virus definitions installed and make sure you virus check everything you download.
UK Bob