EVERY HACK I TRY DOESNT WORK!!!!

every hack ive tried on this site doesnt work....ive downloaded all the .net frameworks....updated my directx 9.0c.....ive read all the threads that could troubleshoot me but still...none of the hacks work...i have the red dragon injector, FInject, and AO injex and i dont think im injecting the hacks wrong...they seem to get injected on the startup...but when i try to activate them with the hotkey...none of them work....i have a windows vista 32-bit system...dell xps one....if anyone has a solution to my problem please respond back