Updated: 8 months ago
Article ID: 31681
This error is caused by bad patch data. There might not be something wrong on your end, but follow the steps below before contacting us.
If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
Run the repair tool to repair any damaged game files.
Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
Configure your security software's exception list to allow Blizzard applications to run.
If the problem persists, uninstall and reinstall the game.
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