BLZBNTAGT00000BB9

Updated: 7 months ago
Article ID: 29380

Common Problems

Decryption key is invalid or missing. Please uninstall and reinstall.
BLZBNTAGT00000BB9

This error occurs when there's a problem with your login credentials, or a problem with the installation. Follow the steps below to resolve the issue.

  1. Log in to the same system user profile that originally installed the Battle.net desktop app.
  2. If the problem persists, uninstall and reinstall the game.