1.BLZBNTAGT00000BB8, update the unknown error and restart BNA.
2. Completely quit Blizzard-related procedures, including agent.exe.
If it still doesn't work, check the network environment and restart the router.
Restart the computer.
4 Temporarily disable the firewall without executing other programs, delete the folder C: \ Program Data \ Battle.net \ Agent, and then open BNA to update.
Specific steps
1. Because of the fighting. Net, so let's enter the game directly and enter the installation address of wow. My name is D:\Program.
File \ World
about
Warcraft, and then find the client of wow, click directly, and you can directly enter the game.
Then you will find that you can enter the game. At this time, if you look at the task manager or the accelerator ball, you will find that the client is downloading the game content. As long as you open the wow client, he will download the update himself. When you look back on the war. Net, you can confirm that the content has been updated.
3. Go directly into the game and walk around to complete the update. You can let him play while playing, but a little card will take up the network speed.