Troubleshooting for this connection error when attempting to log in to Diablo Immortal

Information on resolving Code 75 for Diablo IV.

Information about promoting guild members to officer ranks with the authenticator requirement enabled

Can't log into Overwatch 2 with an error "Unable to authenticate"

The game cannot log in due to corrupted cache data in the Users/Shared/Blizzard directory, or the directory's permissions are preventing the game from accessing the Users/Shared/Blizzard directory.

What to do if you receive Error 502 when attempting to install or setup the Authenticator App.

What to do if the security code sent to your mail or SMS is not allowing you to authenticate your account

More information about authenticator security codes

Information on unlocking the extra Stash Tab in Diablo Immortal, and what happens when you remove your authentication features

Information about two-factor authentication requested for digital purchases.