Troubleshooting steps for resolving lock ups in Diablo III.
Troubleshooting steps for crash problems
How to resolve being unable to log in due to this error
Troubleshooting for Battle.net desktop app crashes.
Troubleshooting for game crashes with error "The application encountered an unexpected error"
Troubleshooting steps to help you connect to Diablo III
What to do if you are seeing an error after starting the game
Information on error BLZBNTTAS00000008 - Account Lock - Processing Restriction Requested