Hey,
First, navigate to Virus & Threat Protection, press Quick Scan, then Start Actions on whatever is displayed.
Restart your computer.
If the above does not work, check the browser you are using, make sure it is not blocked by Firewall.
This game is safe, it would not be promoted by us if it was not.
Consider joining the Discord server to discuss ideas, and please notify if problems still occur.
Thank you,
-F A L L O U T 4