It is possible that our mechanisms to track whether you've successfully authenticated with all your linked accounts isn't going to work through your network at work, depending on how they route traffic. I'm going to propose a longer term fix for that, but for now you may have to try it when you get on another network. It may be worth trying to disconnect from your work wi-fi as well and give it a shot there.
As a separate issue, we're having difficulty communicating with Steam for authentication at this time, which could cause other problems. We're investigating.