If you experience a crash with a blue or black screen error message, a crash to your desktop, or if your computer locks up while in Battle.net, follow the steps below to resolve the issue.
Note: If you have PC Tools installed, please see our Battle.net Error 1 - Fatal Exception article for additional troubleshooting.
Tried everything here?
If you have tried all of the steps for your operating system and still require assistance, please visit our Technical Support Forum (World of Warcraft) (StarCraft II) (Diablo III) (Hearthstone) (Heroes of the Storm) or contact us.
Article ID: 6815