How to obtain error logs for Blizzard games
You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.
How to install a Blizzard game you already own on a different computer
If you do not have a decryption key, check the installation instructions for a point of contact.
We're having trouble starting the Battle.net desktop app. Please try again. If the problem persists, try restarting your computer.
A guide for diagnosing and repairing problems with physical hard drives.
What to do if you are unable to use a payment method that you've used in the past.
Troubleshooting issues with your game settings changing back to default when you log back in to the game
Troubleshooting steps for when a game installation or update is stuck on "Initializing"