black ops problem

ok so i bought the Russian key for BO..
i converted it to english..and everything worked perfectly ..
the game runs smooth and everything is fine except 1 thing,,,

the is no ingame sound..lemme give u an example..
when the match start..
a guy says..
"SND destroy the objective"
"friendly rc xd spotted"
"our spy plane in the air"

yeah these voices are not there.. ..

i think i m missing those files...so can anyone help me..the game is kinda boring without these voices..
really need those files..

Your miles folder may be named differently, or not there. Check for the folder miles in your install dir.