Information on error BLZBNTBNU00002

The Battle.net desktop app is trying to connect to an invalid or nonexistent server.

Information on banned game accounts.

Information on error BLZAPPBTS0000F

You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.

The Battle.net desktop app is trying to connect to an invalid or nonexistent server.

The disk doesn't have enough free space to install. Please free up space.

We have detected that your video driver may be out of date which may cause performance issues when playing [game_name].

Information on error BLZBNTBNA00000003

We have detected that your video driver may be incompatible with some older video cards when playing [game_name].