I have had the same issue and have tried different hosts, starting new games. I emailed SI and got a reply, they are aware of what is going on and are working to fix it. I have replied to them asking if they knew when it would be fixed so when I find out I shall let all those wanting to know.
I have had a disaster recently... I am currently Manchester United on my career which is also in a network game. I got to the league cup final against Sunderland of who I support expecting an easy victory as they sit 20th in the league and I have been scoring goals for fun following my 7-0...
Here is what me and my friends do...
1. Go to google and type in "logmein hamachi" download the program.
2. Once you can go on it, create a network and once your friend has hamachi give them the name and password to them.
3. Once whoever has created the server the other person then copies the...