Game Crashing as of 6.10

I can log into my the client just fine, but after champ select i get a message telling me that the game has crashed and gives me the orange button to reconnect. When i attempt to reconnect, I get a message saying "League of Legends (TM) Client has stopped working". I haven't had a problem like this until the 6.10 patch today. I was wondering if anyone knows how to fix this?
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