hey im having the same problem
OS windows 7 64bit
direct x 10 netframework 4
tryied perx valkyrie and few others with fire god v1.5 casey pub and others.
i close the injector after it injects it makes my game lagy but non of the hacks work. and yes i run them all as admin direct start CA im at a loss here been searching the forums but no help. somtimes on the valkyrie injector i get a missing dll error.
CA Usa by the way