Troubleshooting for a Data Error pop-up after launching Diablo IV
Many common hard drive or OS problems on a Mac can be resolved by running Repair Disk.
What to do if the Battle.net desktop app is stuck in a Scan & Repair loop
Information about the Assault Supply Carriage event in Korthia zone not starting.
How to repair Application Support Permission on Mac computers
How to repair a game through the Battle.net Desktop App
Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.
Describes how to repair the Mac shared folder