Information about common payment issues and troubleshooting steps
Failed to download data. Please check your network connection.
There's a problem with the connection to the Blizzard servers.
This error happens when the game cannot read or modify important game files.
Information on error BLZBNTBTS0000000A
Information on error BLZBNTBNA00001454.
Altering sound options through the operating system.
Information on error BLZBNTAGT00000BCE
Troubleshooting steps for disconnection problems with the Blizzard mobile app
Information on error BLZBNTBNU00000004