Every time I open my friendlist this happens...

Every time I open my friendlist my screen goes crazy and its so annoying. I tried recording it with OBS but apparently its a screen thing, so it isnt happening in the game. Anyway, heres a video showing it (sorry for the potato quality, I dont have anything better to record with) https://www.youtube.com/watch?v=EeixtqDLN30 Ive tried reinstalling but it doesnt do anything :l