HELP!! i need injector and engine help!

>.o i have an injector thing called Valkyrie 2.0. i know I'm supposed to run it while in game but nothing happens. i also downloaded a Cham from this website. i added to the injector thingy. and pressed inject, nothing happened. D: what do i do. >.o

Did you open your injector before you opened your Combat Arms?

Which chams did you get?

And what OS are you using? (Vista or XP)

uhh, my OS is xp home edition. i downloaded the a cham hack, i extracted it on winrar. so i think yeah i opened it before playing. >.o

WarPathSinChams.zip this is the hack i downloaded