Failed to read a required file. Please close all other applications, temporarily deactivate your antivirus software, and try again.
Information about this error when adding a phone number or an Authenticator to a Battle.net account
Please don’t use this to uninstall. Use the Battle.net desktop app game options or the Windows Control Panel instead.
Error emerges when trying to restore the previous auth on a new device
Troubleshooting steps for the Battle.net desktop app getting stuck on Starting...
Performing a scan of your computer's physical memory can help identify possible errors.
How to resolve this error when redeeming a Blizzard Balance code
Blizzard servers could not be reached or may be offline.