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

How to obtain error logs for Blizzard games

Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.

How to change the language settings in your Blizzard games

Steps on how to close down background applications and processes.

How to redeem a code for a game, a product, or Blizzard Balance

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

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

Information on error BLZBNTAGT0000096A

Error Code: BLZBNTAGT00001398