Information on the silence penalty in Battle.net Groups
What to do if you have lost the password for the Blizzard Data file.
My credit card, bank account or PayPal has a charge from Blizzard that I don't recognize.
How to block communication from another player in the Battle.net Desktop App.
Information about why you may not be able to post in the forums, and steps for how to fix it.
How to manage your Battle.net profile visibility and chat settings
Information on the StarCraft II Account Silence, and how to appeal the decision.
This article explains the process of speaking to a customer support representative or Game Master (GM).
Troubleshooting steps for performance problems
Instructions for troubleshooting your network to allow Blizzard services to work properly.