Instructions on linking your MLG and Blizzard accounts
Troubleshooting issues with your game settings changing back to default when you log back in to the game
We can't connect you to the Blizzard patch service. Please check your internet connection and try again.
Possible causes for hearing odd sounds, voices, and effects while playing
What to do if a friend or family member has access to your account and has updated the account details, are preventing you from accessing the account, or has taken gold or items
There was a server-side issue downloading a required file.
This error occurs when the Battle.net Setup program does not have permission to install the game on your computer.
What to do if you cannot party up with a friend with your seasonal hero
Blizzard servers could not be reached or may be offline.