How to troubleshoot long loading screens in World of Warcraft.

What to do if you are constantly seeing the error "You can't do that yet"

Information on the error BLZBNTAGT00001389

Information on error BLZBNTAGT0000138F

Whoops! Looks like something broke. Give it another shot.

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

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.

Failed to download files from Blizzard servers.