on my fav server (lava) i am now a op so im not allowed to build house i hav to watch and make shure ppl donr grief, spam e.t.c. So i decied to get World of Minecraft cus it will help to get round and so i dont hav to the nav /fly, but when i did /client to see the cmds and when i did /client hack on it sed some like 'hack will work after being restarted' and i dont know what that means and wot to do. so plz can u tell me wot to do or let me get a older World of Minecraft instead to see if it works . :)