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

Some overlay programs can cause Battle.net games to crash.

Troubleshooting steps for if Warcraft II crashes when trying to start the game.

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

Troubleshooting for Warcraft III: Reforged crashing and freezing issues

Troubleshooting steps for crash problems

Classic game is crashing at startup

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

Information regarding crashes accompanied by a Blue Screen

Troubleshooting for Battle.net desktop app crashes.