I am unable to reconnect

Since about a week i have this bug where i can't reconnect to any game. As soon as champ select is over i get the reconnect screen. When i press reconnect i get to the "Game is still in progress" screen for about half a second, then i return to the reconnect screen. I tried to restart the game and i tried to make a full repair, which both didn't work. The only thing that works is to reinstall the game. But the next day it's the same story again. Does anyone know how i can fix this, because i don't really want to reinstall League every day before i can play.
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