BLZBNTAGT00000866

Updated: 9 months ago
Article ID: 23640
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Common Problems

A threading error occurred.
Error Code: BLZBNTAGT00000866

The Blizzard Agent couldn't create a path (or thread) to execute a process. Select your operating system below, and follow the steps to resolve the issue.

  1. Restart your computer to resolve problems caused by programs and services running in the background.
  2. Update your drivers to resolve any compatibility issues.
  3. Threading errors may indicate a greater hardware or software issue. Consult a trained computer technician for further assistance.
  1. Restart your computer to resolve problems caused by programs and services running in the background.
  2. Run Software Update to check for pending updates to software, drivers, and firmware.
  3. Threading errors may indicate a greater hardware or software issue. Contact Apple or an Apple Authorized Service Provider for further assistance.

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.