Trickshot

Right i got this game a couple months ago and decided to install it again, i patched to the latest update, and i cant join any fucking servers! all saying stuff about mods, and if i have to download mods for everysingle diffrent server im mad there is too many mods is there somthing i need to install to get on other servers i want my fucking game working so i can buy the new DLC when it comes out