Game just stops working

Loaded into league, playing Annie mid, and i get to lane and my game just stops working. Like everything is frozen and isn't working, Attempting to reconnect doesn't even show so i think oh my internet is d/c'ed. goes online and checks it and its fine. i go to router and its FINE. then i reload league and im just like whatever must of been a ez fix reload error and i get back in go mid lane and guess what! IT DOES IT AGAIN. so i quit that game dont even care about playing it anymore becuase im so far behind. not like i can play it anyways ill just feed and dc constantly for no reason. PLZ FIX NOW!!!!!!