Game freezing at the starting Carousel

So... As I casually start a game of TFT (either with my friend or solo), the loading screen happens as it should, managing to load... Literally the second after the game loads, it freezes, showing me the carousel without anything spawned (UI has empty boxes, the carousel doesn't have any champions, legends aren't spawned and I can't even hear anything) then it unfreezes like a second or half a second before the carousel ends, making me unable to pick a champion out of my free will, forcing me to go with a random pick, usually giving me {{champion:201}} or {{champion:53}} . This is happening to me literally in every single match, making the experience un-enjoyable and unfair. I've tried to lower my resolution, lower graphical settings, tried turning off any processes running in the background... And nothing helped.
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