Diablo is in a loop

I downloaded patch a few days ago was ready to press play today at 9pst , i push play a few secs later hear the music get the black screen with d iv on it then it stops goes back to launcher and trys to download something, then stops and rready to play button can be hit again , push it again and it does the same thing, i have used the scan and repair button nothing was needed to repair, i also have completely uninstalled and waited and 45min for re installation of beta, i have logged in and out and still nothing wtf is going on