go to CF [EU, NA..what u play] Hacking and chose an haack there.. and download it..
go to injectors and multi tools.. chose injector[i telling u take the rullez injector, best!]
run injector and write how does it looks like:
-crossfire.exe
-BROWSE: the haack u chose [.dll]
-automatic inject
-close after inject
-run crossfire
THANKS IF I HELPED U !!!!!!