Common Problems
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.
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Update your drivers and operating system to resolve any compatibility issues.
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Close all other applications to resolve software conflicts and free up resources.
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Configure your security software's exception list to allow Blizzard applications to run.
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Disable any proxies that may interfere with the login module.
Advanced Troubleshooting
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If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
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Check your network configuration to find any issues with your firewall, router, or port settings.
- 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.
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