What to do if you internet service provider (ISP) is encountering connection issues.
What to do when getting an error that the Battle.net Account has logged in somewhere else.
Information regarding Blizzard's stance on input mapping, as it relates to game controls
Information on the BLZBNTBTS00000011 error
Troubleshooting steps to help you connect to Diablo III
Instructions for troubleshooting your network to allow Blizzard services to work properly.
Troubleshooting steps to resolve performance problems in Diablo III.
Information about common payment issues and troubleshooting steps
Information on using Diablo III Account Rollbacks after your account is hacked.