Information about why you may not be able to post in the forums, and steps for how to fix it.
How to read and analyze WinMTR data in order to track down a potential connection issue.
How to read and analyze Pingplotter data in order to track down a potential connection issue.
How to attach an Authenticator to your Battle.net account
General information about the capabilities of Parental Controls.
How to manage your Battle.net profile visibility and chat settings
Information on the Battle.net Authenticator
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.
How to identify and report suspicious communications received by mail, text, or in-game chat.