I don’t see anything about this issue, I get “Update” for wow retail and when I click it gives error msg, anyone else seen this happening?
Try restarting your Blizzard app. If you are still getting errors, try this:
While you were unable to see anything about this issue it isn’t new.
ctrl alt delete and open Task manager. Go down the list looking for anything Warcraft (will most likely be “Voice Proxy”) and end its process.
More info seen here