Common Problems
An issue arose when your game client tried to download data from our servers. It may be caused by a problem with your connection.
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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.
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Release and renew your IP and flush your DNS to resolve any network conflicts.
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Reset your network devices to make sure your router hasn't become flooded with data.
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Disable any proxies that may interfere with the login module.
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.
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