The video cards supported for use with Cold War and Modern Warfare

Instructions for reducing the installation size of Call of Duty or removing unwanted Game Modes.

What to do if your game doesn't launch after clicking Play.

Information on error BLZHSBGS8000000B

Information on error BLZBNTBNA00000006

Information on error BLZBNTBGS00002AFF

This error occurs when your connection to our servers is blocked. This may be caused by a third-party program.

Information on error BLZBNTBNA00000066

Whoops! Looks like something broke. Give it another shot.

Information on error BLZBNTAGT00000844