Windows. You have lost connection to the Internet, and nothing will work now. You are a failure as a user and as a human being.
Apple. Your Internet connection was temporarily interrupted and Cupertino lost contact with you, so we are sending a Genius to diagnose your problem. She will arrive in 5 to 7 minutes. She likes herbal tea with stevia.
ChromeOS. You’re not connected to the Internet! You can still get work done in offline mode, but we’ll erase it all when you’re back on line.
Ubuntu Linux. Uh-oh! Your Internet connection is gone! But don’t worry! Just visit our forums, and our happy online community of expert users will be delighted to answer your questions!
Debian Linux: ERR_INTERNET_DISCONNECTED