Client bug. Game won't launch after hitting Launch, just closes out and doesn't launch.

I don't think anybody else has this EXACT problem, but, what happens is that: 1: Open client. 2: Hit launch. 3: Wait (2-7 minutes) 4: Nothing happens from it. This has been happening for almost a week now, and it's happened every single time i try to open it. I'm VERY mad because of this, and i really want to play! EDIT: Also, i should note that i have tried deleting files, going to the source league folder and running the launchers in there, and deleting client updates and re-installing, if all else fails, will complete re-install.
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