Double Bugged

Never had this problem till the patch updated and wondering if it's happening to others, and ways to fix it. 2 part problem. First when I initiate League goes to the pre screen no problem, but soon as hit the launch button there's a, lets say 70% chance nothing comes up at all though in task manager it shows the client and patcher are up. The second part is that if it does reach the loading screen and I "log in", it starts the login loading screen but stays stuck there. Left it for 30 minutes just to see if anything happens and nothing. Should I just repair or reinstall......? Just feels like a big