We can't connect you to the Blizzard patch service. Please check your internet connection and try again.

This error occurs when your connection to our servers is blocked. This may be caused by a third-party program.

Troubleshooting for Authenticator Error - Please Connect to a Network: Your device is currently not connected to a network. Please try again later.

Your installation or update cannot continue because your network connection is unavailable. It will automatically resume when your connection is reestablished.​

Information on various types of networks available to the public.

Troubleshooting steps for connection problems

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