Champ select in ranked Queue keeps crashing

So, my game has crashed in champ select in ranked Queue 6 times now. After the 3rd time i reinstalled. No problems at first, but now it crashed 3 more times. Lost lots of lp and currently on another 30 min leaver buster. At first I didn't care, besides 25 lp is not much. Now it's 50 lp and lots of waiting.

I'm not asking for my lp back or my leaver buster to be taken away. I just want to play ranked without having to worry that I'm going to lose 5-10 lp just for crashing. :)

Any suggestions would be greatly appreciated.