No Bryn, you've broken the rule of myBB. Nothing I say can be remotely agreed with by any other poster, without the internet exploding
The problem with a good antivirus is that it's a lot like a condom: it can get in the way of some things, and if it does its job you never really know it (it's not like a baby pops out nine months later and then disappears with a booming voice that says "Oh wait, you were wearing a condom - you're safe!!!").