Troubleshooting steps to help you connect to Diablo III
How to update your BattleTag.
How to report a bug in Diablo III
This article explains the process of speaking to a Game Master (GM).
This warning displays if you don't have enough available memory on your system to use your current settings.
Instructions on lowering the maximum frame rate.
Player reports they had heroes they use to play in Diablo III and they're now missing.
Troubleshooting steps for latency or connection issues when playing Blizzard games.
How to block communication from another player in Diablo III.