The Blizzard App will launch but will indefinitely load the games information with the message, "Loading Account Information."

Explains the Real ID service, including limitations and how-tos.

The Blizzard End User License Agreement explains what you may and may not do with a Blizzard account. This article highlights a few passages from the EULA that are most relevant to this policy.

Information on the Blizzard Voice Chat feature

Information about why you may not be able to post in the forums, and steps for how to fix it.

Battle.net or game account hacked or compromised

How to manage your Battle.net profile visibility and chat settings

Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.