What to do if Diablo II: Resurrected crashes while playing on console
Troubleshooting for game crashes with error "The application encountered an unexpected error"
Some overlay programs can cause Blizzard games to crash.
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 crash problems
Troubleshooting for Diablo II: Resurrected crashing and freezing issues
Information on what to do if you receive an error message saying you are online with your own key in Diablo II (2000).
Troubleshooting for Battle.net desktop app crashes.
Information regarding crashes accompanied by a Blue Screen