How to identify and report suspicious communications received by mail, text, or in-game chat.

What to do if you are receiving emails for another player with a Gmail similar to yours.

Information about private server services and how to report them

How to report someone for suspicious Auction House posting or buying.

Blizzard Customer Support cannot lock your account on request

Information about securing an account that is getting verification requests that they did not initiate

The login servers received invalid information

What to do if you cannot change the email or phone number that shows on the login screen because the field is greyed out

Troubleshooting issues with Unarchiver download and installation

Information on where to update your Activsion Account Email