A guide for diagnosing and repairing problems with physical hard drives.

Blizzard's stance on inappropriate behavior in Blizzard games.

We're having trouble starting the Battle.net desktop app. Please try again. If the problem persists, try restarting your computer.

What to do if the verification code received via SMS doesn't work

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

This error occurs when you have connected to our patch server but you cannot download patch information.

What to do if you are unable to use a payment method that you've used in the past.

You have been disconnected. (BLZ51901017)

Troubleshooting steps for resolving error BLZBNTBGS000001FF.

More information about authenticator security codes