My Game Keeps on crashing after champ select

It says about a system error at C:\Users\(UserName)\AppData\Local\Temp\PKM5186.tmp I have done everything that I can DIsabled FIrewalls,Optimized Lol,and Reinstalled Lol(4 times) What should I do?

Here's the lick to the Crash Dump: https://www.dropbox.com/s/zjxbq5dwitpltu5/PKM5186.tmp?dl=0