Information on the World of Warcraft: Companion App
More information about this error
Unable to add a companion to the pet collection
Information about locating battle and companion pets
What do do if you cannot summon the Core Hound Pup companion
Using LogGoblin to gather Blizzard Battle.net desktop app logs.
The Blizzard Battle.net desktop app is unable to find your game installation in the directory selected.
Player already has one of our games installed on their computer, but the Blizzard app is still giving them an "Install" button instead of "Play."
Information on error BLZBNTBNU00000008
What to do if your game doesn't launch after clicking Play.