If you have issues with the sound in your game, such as skipping, popping, screeching, or no sounds at all, follow the steps below to troubleshoot the problem.

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

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

Explains the Real ID service, including limitations and how-tos.

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.

How to obtain error logs for Blizzard games

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.

Information about why you may not be able to post in the forums, and steps for how to fix it.

How to read and analyze WinMTR data in order to track down a potential connection issue.

How to read and analyze Pingplotter data in order to track down a potential connection issue.