Troubleshooting steps for disconnection problems with the Battle.net mobile app
Troubleshooting steps for disconnection problems in Hearthstone
Troubleshooting the error message "The code you entered cannot be claimed."
This error means Battle.net Agent (the process that installs and patches our games) couldn't stream necessary files.
Troubleshooting steps for connection problems
How to resolve this problem when downloading an update
Troubleshooting steps for performance problems
Troucleshooting steps for crash problems