I just wanted to chime in and let you know for the past couple of days I'm stuck exactly where you're at. I'm actually in the process of getting in touch with a mod on discord so they can help me out.
I've scoured the internet and found just this post as well as 2 different posts on reddit that are experiencing the same thing but no answer.
So far, Ive:
- Deleted the gamguard files - No change -Allowed my Anti-Virus/Firewall to include the game -Restarted gaming services
What's crazy is that i can play the JP servers just fine.
So im still looking for an answer and will keep you updated