Troubleshooting steps for resolving network problems in World of Warcraft.

Info article detailing how to turn off a network proxy.

A disk error occurred while loading a file required to log in.

A disk error occurred while loading a file required to log in.

Troubleshooting steps for communication and transmission errors.

Troubleshooting steps when unable to start an order in-game

Troubleshooting steps for latency problems in StarCraft II

Information on error BLZ51900001

What to do if you can't log in after patching WoW

This error means Battle.net Agent (the process that installs and patches our games) couldn't stream necessary files.