Common Problems
This error occurs when the Blizzard Agent can't start due to missing or corrupted data. The Blizzard Agent is the program that launches, updates, and installs your Blizzard games.
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Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
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Try closing background applications to resolve any software conflicts.
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Configure your security software's exception list to allow Blizzard applications to run.
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If the problem persists, uninstall and reinstall the game.
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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