injection problems

ok now, listen b4 u say anything. I have used per x and eject with some other injectors. i have the process to inject as Engine.exe and i individually tried every released hack on this site to inject. i started combat arms and they bolth injected and closed but when i get in the game ill try insert in a game session or while picking a server. i have run as admin also. i am stuck and hopeless plz help me good people at mpgh