Game login error

Hello I have a problem that I can not play Overwatch he talks We are sorry, sorry but we can not log in, and also talks the time of communication with the services of blizzard exhausted I rebooted the computer, I took the cable from the internet and I I put it and it was not and I uninstalled and installed the game and it was not then if you can help me Thanks. I’m waiting for Webnascar.