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 you lost a reward granted by an achievement, such as a pet or mount.

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

Information on Diablo Immortal Paragon Levels

Information about temporary tamed hunter appearances that can be removed by some affects in game

More information about authenticator security codes

Information about regaining arena points or rating

Information about an issue that may result in loss of Smoldering Essences for this quest.

What to you if you're missing an Operator Skin in a Call of Duty game