Please Help Me

Every time i go to play tigerwoods or madden 08 online, i click the play online button and it crashes back to windows and i get a error that the program has been stopped then does the windows report thing, im using vista the games work fine offline but not online i used to play tigerwoods online all the time with this computer then all a sudden this error comes up please help me|||vista is awful for madden i suggest you contacting ea support, and talking to them about it|||it's ur o/s! vista is s@#$ for ea sports games! i bought a backward compatible laptop so i could go back to xp and i have had no problems!!