When trying to start a LAN game, the game locks up. Sometimes it locks up when selecting LAN from the menu. Sometimes it goes to the next screen (where I can choose to host or join) and then I can't select anything from the menu. The curser still moves, but I can't do anything else. Ctrl-Alt-Delete does nothing, nor Alt-Tab. Tried leaving the game as is for five minutes (just incase) and nothing changed. It was still locked up. Restarted and tried again. This happens to both computers. LAN worked until I got the latest patch (04/25).
All drivers are up to date, including motherboard drivers.