Ok i got the newest patch, but i believe i have instaunlagged 1.1 where could i get 1.2? should I ?

I accidently posted this in the rants and raves, so im re-posting it in here... please help! I am trying to run an Instaunlagged server with my Quake III arena, and when people try to connect, only one out of every 10 make it in (randomly I guess) and all of the others say "Unpure Client Detect...

I am trying to run an Instaunlagged server with my Quake III arena, and when people try to connect, only one out of every 10 make it in (randomly I guess) and all of the others say "Unpure Client Detected, Invalid .PK3 Files Referenced".... Is my version of quake III out of date? (i dont k...