Updated: 2 years ago
Article ID: 13372
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Common Problems

Failed to download a required update. Please check your internet connection and try again.
Error Code: BLZBNTBTS00000052

This error is usually caused by an unstable internet connection or a third-party program that is blocking access. Follow the steps below to resolve the issue.

  1. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  2. Close all other applications to resolve software conflicts and free up resources.
  3. Update or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  4. Run a security scan to remove any viruses or malware infections.

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.