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. Configure your security software's exception list to allow Blizzard applications to run.
4. Run a security scan to remove any viruses or malware infections.