Okay, I apparently have the latest update but avast! says it cannot cannot download the latest update. I got a scary popup saying avast! could not update.
http://i.imgur.com/oBtXsII.png
Currently Steam is installing Assassin’s Creed IV, but when that is done, I will repair the install. What else I am supposed to do?
(This is a brand new computer, I just installed avast! a couple hours ago)