@d0ugmac1 yes, I tried turning off both Firewall and Defender, with no success. Factory resetting is simething i did few times, with different firmware versions, with no success too. Finally, the...

UPD. Finally, the solution that helped me was migrating to Ubuntu. 1. I prepared a backup (Global view > Settings > Maintenance > Backup > Save to local file) 2. Made a fresh installation of a Ubuntu...