compatibility modes

hello to all you happy hackers
let me ask you a question, what compatiblity modes are you guys on?
im using vista ultmate, i have been trying to new the news hacks that are out but they just dont work for me
im using windows XP(service pack 2)
can anyone help me out?

Omfg read other threads before posting a new one Salson and M_T_H clearly said everything that yo need to know how to make the hack work