Troubleshooting steps for this World of Warcraft login error
Is your character missing after you purchased a Character Transfer or Faction Change?
Troubleshooting issues with logging into characters that are giving errors indicating they are already online or already exist
Troubleshooting steps for latency issues in World of Warcraft
Basic information for the Level 110 Character Boost feature.
Basic information for the Level 120 Character Boost feature.
You can use the undelete feature to restore a deleted World of Warcraft® character once every 7 days.
Information on how to use the Free Character Migration feature.
The Blizzard Update Agent could not install in the specified folder location.
Restore your World of Warcraft Character by using the Character Undelete service.