BLZBNTAGT00000BCA

Updated: 2 weeks ago
Article ID: 31681
Relevant Games:

Common Problems

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.

  1. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  2. Run the repair tool to repair any damaged game files.
  3. Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
  4. Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  5. If the problem persists, uninstall and reinstall the game.
  6. Uninstalling and reinstalling the Blizzard App may resolve rare launcher issues.

Tried everything here?

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.