It is more than likely the 2-way communication with the chat bar at the bottom of the screen. Your AV program is seeing requests for incoming data which is normally blocked.
Yeah, that's happened to me several times in the last two weeks. Anyone have any idea what's causing it, or what to do about it?
Attacks?? Like DDOS attacks? or is it just blocking cookies?
mine too....its freezes it because of the excessive memory usage
Nope. Someone is out to infect you o.o