Updated: 11 months ago
Article ID: 15053

Common Problems

We can't connect you to the Blizzard patch service. Please check your internet connection and try again.

This error occurs when your connection to our servers is blocked. This may be caused by a third-party program. Follow the steps below to resolve the issue.

  1. Update your drivers to resolve any compatibility issues.
  2. Try closing background applications to resolve any software conflicts.
  3. Configure your security software's exception list to allow Blizzard applications to run.
  4. Disable any proxies that may interfere with the login module.
Advanced Troubleshooting
  1. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  2. Check your network configuration to find any issues with your firewall, router, or port settings.
  3. Reset your Windows Firewall to its default settings.

Tried everything here?

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