Troubleshooting for error BLZBNTBNA00000012

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

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

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.

Information on error "You can't do that right now." when attempting to learn a cosmetic appearance.

How to repair Application Support Permission on Mac computers

Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.

Information on the Darkmoon Top Hat disappearing from the inventory