Trying to load the game returns error "Direct3D failed to initialize"
Follow these steps to return your game client’s language settings to default.
Information about the error "Please select a different realm" when transferring a WoW Classic character.
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.
Information on error BLZOWPAY10200278.
Information on error BLZBNTBNU00000001
Information on error BLZAPPBTS0000F
Information on error BLZ51900011
This error occurs when the in-game shop is currently closed.