Client keeps crashing and i am getting banned for it.

Okay, so this client crashes on me in champ select in draft mode at least 3 times a day, yet when i am in game i hold a steady 35 ping. I know it is not my internet or my machine because when i am in game it preforms flawlessly, i thought i was just something that happens sometimes but it never happens to my friends. This is annoying me beyond belief and is a huge inconvenience to me and my friends because i am constantly being banned for something that is not my fault. I am currently waiting 12 minutes because the client crashed and close on its own twice in a row. Please do something about this if you can, I enjoy this game a lot and would love to be able to play without being banned for absolutely no reason. Like i said, it happens AT LEAST 3 times a day for me and i hate to say this but if it continues i will be switching over to Paragon for good (which would suck because it is no where near as fun).