
(Currently, the latest available patch is v1.7.) Make sure PunkBuster is updated to the latest version. If that doesn’t solve the issue, try the next suggestion. If you have a Sigmatel onboard sound card, install all Windows updates and the latest Sigmatel drivers from.

To do that, click on Digital Output in the upper bar and on Set Default Device next to the volume adjuster.

Right-click and select View Disabled Devices.(If you don’t have the icon in your system tray, open Control Panel → Hardware and Sound → Sound → Recording.) Right-click the volume/speaker icon in your system tray, and select Recording devices.Here are some things you can try: Enable Stereo Mix a problem with your sound card drivers, mostly if it is a Realtek or a Sigmatel onboard sound card. It is related to the system’s audio device, e.g. This is a very common problem due to sloppy programming on Activision’s part.
