Troubleshooting steps to resolve this error
Instructions on linking your MLG and Blizzard accounts
How to resolve this problem when downloading an update
Failed to launch a critical file. Please close all other applications, temporarily deactivate your anti-virus software, and try again. Alternatively, log in as an administrator and try again.
World of Warcraft does not support 32-bit operating systems.
Failed to create a required file. Please make sure you are running this program as an administrator and try again.
Tools required for opening a Blizzard Data file.
Failed to create a required file. Please make sure you are running this program as an administrator and try again.