Why Cant I Inject Hacks?

When I Try To Inject A Dull The Injector Says It Has Injected But No Window Comes. When I Login To Crossfire The Hack Does Not Work.

I Use PerX Injector Run As Admin.
I Have Vista.

Please Help T^T

dude this happens to me except I use more injectors, i dunno what the problem is mate just try using other injector.