FC26 PC Sound and performance issue

Hello, my PC after connecting to the EA servers starts muffling the sound, not only in game, but in discord, google too. Also, my game looks like its working in 20fps in normal game, (rush for example works well). I don't think it's my PC problem, cause i did not have any problems like this ones in other games ever. Tried to uninstall and checked files on EA App, any solutions?