How to obtain error logs for Blizzard games

Failed to launch a critical file. Please close all other applications, temporarily deactivate your anti-virus software, and try again. Alternatively, log in as an administrator and try again.

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

Battle.net or game account hacked or compromised

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