wrong section
and you'll have to disable vac in singleplayer via your config in steam dir:
C:\Program Files\Steam\steamapps\common\call of duty black ops\players\config.cfg
Search for
seta sv_vac "1" and change it in seta sv_vac "0"
gl with it
p.s. post it in the right section lol (you can get a ban, if i'm right)