Error code

Blizzard BLZBNTAGT00001389

BLIZZARDBLZBNTAGT00001389
Game/Platform Error· An error code shown by a game or gaming platform/launcher.

What it means

The Battle.net desktop app cannot download a file needed to install or update a game..

How to fix it

  1. Close the Battle.net app and end Agent.exe in Task Manager then restart.
  2. Restart the computer.
  3. Optimize your internet connection.
  4. Configure antivirus exceptions.
  5. Close background applications.
  6. Delete the Battle.net Tools folder to force a rebuild.
  7. Run a malware scan.
  8. Uninstall and reinstall the game.

Not affiliated with Blizzard. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.