Account has been hacked or compromised.

Information on error BLZBNTBNA00000A9C

What to do if your Activision account has been compromised.

This game account is in a different region or Battle.net account.

Purchased a second copy of an heirloom that was already owned

This game account is in a different region or Battle.net account.

This game account is in a different region or Battle.net account.

Information on the Heroes of the Storm Account Silence, and how to appeal the decision.

What to do if you need to unlink your Activision account from your Battle.net account

How to unlink your Twitch account from your Battle.net account