Updated: 6 months ago
Article ID: 18771

Common Problems

Something went wrong while trying to launch a program. Please try restarting the desktop app. If that doesn't work, try restarting your computer.
Error Code: BLZBNTBNA00000006

Critical Update Agent files are missing from your computer and the desktop app can't download new copies. Follow the steps below to resolve the problem.

  1. Restart your computer to resolve problems caused by programs and services running in the background.
  2. Update your drivers and operating system to resolve any compatibility issues.
  3. Close all other applications to resolve software conflicts and free up resources.
  4. Run a security scan to remove any viruses or malware infections.
  5. Configure your security software's exception list to allow Blizzard applications to run.
Advanced Troubleshooting
  1. Delete the Tools folder to automatically rebuild outdated or corrupt files.
  2. Uninstalling and reinstalling the App may resolve rare launcher issues.
  3. Reset the WMI Repository. This can help in cases where the root problem is caused by the WMI service failing.

Tried everything here?

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