No where do I remember anything saying that I had to install it, or for that matter, if it was installed. You have to go up to PB's support site that has the uninstall for the service.
It does interfere with the trainers we use here, that was painfully obvious after removing the service and trying the game and trainer.
Watch it, Steam is now allowing games companies to install this WITHOUT your knowledge or consent.
No offence DarkAxe i presume you are referring to Punk-Buster in your post? if so i will watch out for that in the future.
But for Modern Warfare, I believe that it asked you to accept the terms for PunkBuster before it installed it. He is saying to be careful because APB installs PunkBuster without you accepting the terms to PunkBuster.
[Edited by Skaar, 12/29/2011 3:55:28 AM]
I am well aware what punkbuster is, I do remember the first game that it was included in. A westwood game if i am not mistaken using the old Fileplanet hosting
[Edited by DarkAxe, 12/29/2011 5:06:38 AM]