Information regarding crashes accompanied by a Blue Screen

If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.

Follow these steps to resolve lockups or crashing issues.

Troubleshooting for when an in-game shop screen is all black or blue

Black Screen when starting StarCraft II.

Troubleshooting for Battle.net desktop application crashes.

Account information fields are missing when logging in to StarCraft II on Mac machines.

Blizzard games run best on default settings and may not support all aspect ratios

What to do if the mouse cursor is not clicking at the same place it appears on screen.

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