Disconnection every 5 minutes (unable to connect ea server)

I bought the game yesterday afternoon and since then I haven't been able to play a single match or even stay in the menu for more than 5 minutes because I keep getting the error "unable to connect to EA servers."

I've tried everything: DNS, VPNs, deleting the game and AppData, reinstalling the anti-cheat, formatting my PC—absolutely everything—and nothing works. I even tried using my phone's hotspot, and still nothing. Please help!

I tried it with FC24 and FC25 and it doesn't happen, it only happens with FC26.