Mercy Killing

Nope. I just started getting this every hour or so of gameplay. Doesn't matter what I'm doing ingame, it just crashes and this popup comes up:

I'm actually having this issue now, and I -just- purchased access to the "alpha build/early access". The only servers that populate my list are the experimental ones, and I cannot connect to them at all. No other tabs have any names/servers listed in them. I cannot even connect via the remote tab to a populated server from the webpage/online list using its IP:port listing. I temporarily disabled my firewall entirely and still the only servers that show up are experimental ones that I cannot connect to at all. Complete reboot of my Comcast router/receiver does not change it. Still no other servers than the experimental ones. Oh, I played it just fine for almost four hours before suddenly losing all servers on the list and then this happened.