Reporting an Exploit or Hack
How to report a bug in Diablo III
If you encounter a bug in one of our games, please report it to us.
How to report a player for cheating in Diablo III
How to report players in Diablo III.
How to report harassment taking place within Battle.net chat (mobile or desktop)
Troubleshooting for game crashes with error "The application encountered an unexpected error"
Troubleshooting for error 395000.
Troubleshooting for error 315000
Information on how to report forum posts