Stub.dll missing?

Sooo, played 1 round of aram for my first win of the day. In the middle of the match my game just closed down, the launcher came back up and gives me the option to reconnect, but the moment I click on said reconnect button I get an error stating: "Stub.dll: Initialization error 2". Nothing more. Cant reconnect. Tried closing down the launcher and opening it again. Nope. After the game finished I tried to open up a training ground game for testing purposes but it too refuses to start. Tried to do the "full repair" option. Didnt fix anything. Any tips? Googling only says "Eeeeey turn of avast anti virus" and I dont use it.
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