I have done all of the steps and i restarted the client and it still didn't work after all this time i've wasted i really wasnted to use hacks for Combat Arms and i never got a chance to use them because they never worked.
If anyone knows the problem please respond back A.S.A.P(As Soon As Possible.)
1st. Download CA
2nd. Download MPGH Pub
3rd. Extract the hack
4th. Read the read me note thing and folo the directions their
5th. Have fun hacking
6th. You might d.c sometimes
7th. If still problems, u can pm me or any mod.