Information about promoting guild members to officer ranks with the authenticator requirement enabled

Information about an issue where StarCraft II Co-op commanders are capped at level 5 or have been reverting to level 5 after being unlocked and levelled

My credit card, bank account or PayPal has a charge from Blizzard that I don't recognize.

Information on the StarCraft II Account Silence, and how to appeal the decision.

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

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

A guide on running a traceroute on Windows and Mac.

How to run a pathping on Windows and Mac.

Troubleshooting steps for performance problems

Troubleshooting steps for crash problems