Game wont open up

8 wins in a row,suddenly i get autofilled,i pick brand game starts and it just wont load.the 2nd lol for game is not opening only the client,people can inv me into games,and when i relogin it says game still in progress,like what is this?Not only i couldn't join the game AT ALL i enter after some time,i lost a game for no reason at all and i have 5 games ban for 20 minutes.Why did this happen?All of a sudden my game crashes and i get ban for what?client being bugged?