Impossible connection to configuration live servers

Hello, i have a problem and not able to connect to horizon online.
Here are my screen :
sorry it is in french :

and for the xbox app:

i tried to open ports in my rooters by following this link but didn’t work : How to Port Forward Forza Horizon 4 in Your Router
Forza Horizon 4 - PC
TCP: 3074
UDP: 88,500,3074,3544,4500

Thank you very much for your help !

Up with some precisions :

I’m by Unity media in Germany.
I’ have native IPV6 and normally do not need a specific Teredo configuration

My “success” in the game are upload to my xbox profile

My VPN is OFF
My Firewall is ON
My defender in ON

And I do not use any third antivirus.

Please help
Thanks

6th October and solution : windows settings => Update and security => recuperation/reinitialisation => start by keeing files

for strict nat : games in windows settings => Xbox network => repair => verify