Follow these steps to resolve lockups or crashes in StarCraft II.
Troubleshooting steps for Starcraft and Starcraft: Remastered crash errors
Information regarding crashes accompanied by a Blue Screen
Information and troubleshooting on error BLZBNTBNA00000005
Black Screen when starting StarCraft II.
Antivirus software scans a computer's memory and storage to identify and eliminate viruses.
Troubleshooting steps for IGR owners who have partnership with Blizzard on commonly encountered issues.
Troubleshooting for Blizzard Battle.net desktop app crashes.
How to obtain error logs for Blizzard games
Mac SC2 clients crash to desktop after each game.