Fallout 4? It's probably Fallout 4. Maybe.
The page source also includes a bit of error text in case of error.
Access Error
PA system failure has occured.
Shutdown of the Masterbrain has been authorized and all sensitive materials have been removed for security purposes.
Please attempt re-access. Have a pleasant day.
PA system failure has occured.
Shutdown of the Masterbrain has been authorized and all sensitive materials have been removed for security purposes.
Please attempt re-access. Have a pleasant day.
Thank you, I will have a pleasant day.