Failed to update the Battle.net Launcher. Please check your internet connection and try again.
The Battle.net desktop app is trying to connect to an invalid or nonexistent server.
What to do if you receive an error message when attempting to connect your Xbox account to your Battle.net account.
What to do if you internet service provider (ISP) is encountering connection issues.
This error is usually caused by an unstable internet connection or a third-party program that is blocking access.
Failed to download a required update. Please check your internet connection and try again.
Troubleshooting steps for disconnection problems with the Battle.net mobile app
You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.