Client is completely broken at this point

Hello, Riot. Could you please explain what the hell you did in the new patch to completely mess up the client? When I am able to get in game, it everything works fine. But when I try to switch the game mode or exit the lobby, it won't let me change the game mode or exit the lobby unless I completely close the client. Then, when I try to open it, it refuses to open unless I end the task in task manager and then open it. To top it all off, every time I do that, I have to download some sort of 50mb patch (not a huge thing, but still annoying).
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