The Battle.net Deskop App can't be launched due to an operating system error.
Many common hard drive or OS problems on a Mac can be resolved by running Repair Disk.
How to copy a Diablo II (2000) character save to Diablo II: Resurrected
During technical troubleshooting, it is sometimes necessary to fully uninstall and reinstall a game.
Instructions on how to delete your Battle.net files.
A guide on running a traceroute on Windows and Mac.
Troubleshooting steps for performance-related problems.
Instructions on getting Blizzard games to play on your TV.
Troubleshooting step for connection-related problems on Windows.