BLZBNTBTS0000000B

Updated: 2 weeks ago
Article ID: 26505
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Common Problems

Another copy of Blizzard setup is already running on this computer. Please close it and try again.
Error code: BLZBNTBTS0000000B

The Blizzard Battle.net desktop app is currently running on another user account on this computer. Only one instance of the Blizzard Battle.net desktop app can run at a time. Follow the steps below to resolve the issue.

  1. Log in to the other user account, sign out, exit the Blizzard Battle.net desktop app, and try again.
  2. Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
  3. Restart your computer to resolve problems caused by programs and services running in the background.

Tried everything here?

If the steps above did not resolve your problem, visit our Technical Support forum or contact us.