BLZBNTAGT00000BCA

Whoops! Looks like something broke. Give it another shot.
Error code: BLZBNTAGT00000BCA

This error is caused by bad patch data. There might not be something wrong on your end, but follow the steps below before contacting us.

If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
Run the repair tool to repair any damaged game files.
Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
Configure your security software's exception list to allow Blizzard applications to run.
If the problem persists, uninstall and reinstall the game.
Uninstalling and reinstalling the Battle.net App may resolve rare launcher issues.

If you have tried these steps and still require assistance, visit our Technical Support Forums (World of Warcraft) (StarCraft II) (Diablo III) (Hearthstone) (Heroes of the Storm) (Overwatch) or contact us.