Blizzard servers could not be reached or may be offline.

What to do if a friend or family member has access to your account and has updated the account details, are preventing you from accessing the account, or has taken gold or items.

This error occurs when the Battle.net Setup program does not have permission to install the game on your computer.

Information on error BLZBNTAGT0000084A

Information on error BLZBNTAGT00000846

Information on error BLZBNTAGT00000849

What to do if you can't open the Battle.net desktop app, and there are no error messages when you try.

Information on error BLZBNTAGT00000841

Troubleshooting a scenario where your Blizzard games are uninstalled every time you restart the computer

Information on error BLZBNTBNA00001482.