Information on the BLZBNTBNA0000000C error

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During technical troubleshooting, it is sometimes necessary to fully uninstall and reinstall a game.

During technical troubleshooting, it is sometimes necessary to fully uninstall and reinstall the Battle.net desktop app.

Account has been hacked or compromised.

Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.