What to do if you internet service provider (ISP) is encountering connection issues.

A guide on running a traceroute on Windows and Mac.

How to run a pathping on Windows and Mac.

Information on various types of networks available to the public.

Instructions for troubleshooting your network to allow Blizzard services to work properly.

Troubleshooting steps for connection problems

Security software which can be used to resolve virus and malware infections.

If you encounter a bug in one of our games, please report it to us.

What to do if the mouse cursor is not clicking at the same place it appears on screen.

How to resolve the issue when the mouse cursor is missing