How to install Guitar Hero Aerosmith mod in... Aug 1, 2008 14:43:54 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by rgcz on Aug 1, 2008 14:43:54 GMT -5 Guitar Zero 2, I tried to just unzip it all and replace but then i cant enter gz2 cause it appears as error. Can someone help me?