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Blizzard or game account hacked or compromised.How to Unlink Activision Account From Blizzard Account
What to do if you need to unlink your Activision account from your Blizzard accountSecuring a Blizzard Account
Follow these helpful tips to secure your account.
During technical troubleshooting, it is sometimes necessary to fully uninstall and reinstall a game.BLZ51900002
Information on error BLZ51900002Scope of Technical Support
Explains the level of technical support we offer on Blizzard and Activision products.