Troubleshooting for game crashes with error "The application encountered an unexpected error"

Some overlay programs can cause Blizzard games to crash.

Restoration requests for dead Hardcore heroes in D3/RoS.

What to do if you are seeing an error after starting the game

Game crashes or doesn't load after pressing "Play" in the Battle.net app or crashes mid-game

Troubleshooting steps for resolving lock ups in Diablo III.

Troubleshooting steps for crash problems

Troubleshooting for Battle.net desktop app crashes.

Information regarding crashes accompanied by a Blue Screen

Troubleshooting steps to resolve Diablo III console crashes.