Troubleshooting for a Data Error pop-up after launching Diablo IV

What to do if you can't complete the quest We Can Rebuild Him

Troubleshooting for error BLZBNTBNA00000012

How to repair a game through the Battle.net Desktop App

This is a guide to the case where the item on the business registration card is a different item than the PC room.

What to do if you have met eligibility to hand in the quest but it is not possible to hand in

What to do if you cannot complete the quest "Repair Yourself"

Information on error BLZBNTBNA0000012

Many common hard drive or OS problems on a Mac can be resolved by running Repair Disk.

A guide for diagnosing and repairing problems with physical hard drives.