Troubleshooting your security programs can resolve issues preventing you from installing or using Blizzard software.
Info article detailing how to turn off a network proxy.
Instructions for troubleshooting your network to allow Blizzard services to work properly.
Follow these helpful tips to secure your account from hackers
How to read and analyze WinMTR data in order to track down a potential connection issue.
Information about the global play feature of Blizzard games.
Information for troubleshooting Modern Warfare in-game technical issues
How to run a pathping on Windows and Mac.
This error occurs when your connection to our servers is blocked. This may be caused by a third-party program.
Problems with patching may be resolved by disabling the read-only setting on system folders.