The problem with the connection (Star Wars: Battlefront (2015))

Hey all,so I play a match,and begins obrigada Internet in the game,in the upper right corner says that a bad connection,then all throws,it is impossible to play normally.The Internet is not bad,the included firewall,using avast(I don't know,maybe it has something interferes), viruses,and other shelupon no how to solve the problem,who can tell?