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 Battle.net desktop app crashes.
Information regarding crashes accompanied by a Blue Screen
Information on Crash Bandicoot 4: It’s About Time System Requirements
Information and troubleshooting on error BLZBNTBNA00000005