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How to manage your Battle.net profile visibility and chat settings
Information on using the same Battle.net Authenticator on more than one Battle.net account
Information on the BLZBNTBNA00000A8F error message
What to do if you receive the error "We Can't Find That Battle.net Account" when logging into Battle.net
Types of issues Blizzard Customer Support can help you with on Activision games
What to do if you continue being redirected to the login screen after entering your credentials