Unsupported operating system error.
How to resolve mistakes claiming a CoD key on the wrong Battle.net account
What to do if your Authenticator gets stuck at any point during set up.
If you miss a sale Customer Support is not able to offer you a previous sale's prices or promotions.
What to do if you are missing Battle.net balance
Information about troubleshooting problems with the Battle.net friends list
It can take a moment for an account to recognize a recent purchase.
Steps to help you find a missing ticket.
How to resolve the issue when the mouse cursor is missing
Troubleshooting steps for news and ads not appearing in the Battle.net App.