This issue might be happening due to miss configured Firewall or Windows Defender application.
Disable Windows Defender and other firewalls that might stop your game from connecting to the servers.
Below are CMD commands (open up the command prompt in Admin mode and try entering the following commands)
To check firewall status:
netsh advfirewall show all profiles state
Enable and Disable Firewall:
NetSh Advfirewall set allprofiles state on (Enable)
NetSh Advfirewall set allprofiles state off (Disable)
netsh advfirewall reset
To Disable Windows Defender:
sc stop WinDefend
To re-enable Windows Defender:
sc start WinDefend
If the issue persists, contact PUBG Player Support with the screenshot of the error.