Troubleshooting steps for connection issues in Hearthstone
Information about what to do if you are experiencing reduced performance on the Beta version of the Battle.net Desktop App
What to do when Hearthstone says that you have Achievement rewards to claim, but there is no reward to claim
This error means the Battle.net Agent (the process that installs and patches our games) couldn't stream necessary files.
What to do if you ran a Hearthstone arena and you didn't earn rewards or the reward was incorrect