AC-3 is an audio codec that supports multi-channel (“surround sound”) audio. It's also known as Dolby Digital. On versions of Windows prior to Windows 11, version 24H2, the AC-3 codec is included. Beginning with Windows 11, version 24H2, the AC-3 codec is no longer included with Windows.

Learn how to troubleshoot a "Secure HDCP" error when you try to watch a DVD or stream content in the Netflix app on your Xbox 360 console.

To resolve this issue, follow these steps. After you complete each step, test to determine whether the issue is resolved. Note Windows Media Player supports the most common media file formats. However, it does not support every media file format that is currently available.

With Windows Media Player, if the appropriate codecs are installed on your computer, you can play audio content, video content, or both, that is compressed with a wide variety of codecs and that is stored in an .asf file.

Learn what to do if you see an error code and message stating that a license is unavailable or required for playing the video content you’re attempting to watch on Xbox 360.

Find answers to commonly asked questions about video, photo, and audio content using the Media Player app on your Xbox console. Which file types are compatible with the Media Player app? What if I can't play some of my audio, video, or photo files?

These errors typically occur when there is a problem with audio or video codecs. For example, C00D11B1 is a common codec-related error. To resolve this, see how to fix outdated or corrupted codecs. This error may occur when there's an issue with the playback of media files.

In Windows, a CD or DVD drive may not appear in File Explorer and may show a yellow exclamation point in Device Manager. This issue usually indicates a driver or configuration problem, and an error code may appear in the device’s Properties under Device status.

To install this update, you must have Windows 10 N or Windows 11 N installed. To apply this update, you don't have to make any changes to the registry. You must restart your computer after you apply this update. This update doesn’t replace a previously released update.

To install this update, you must have Windows 10 N or Windows 11 N installed. To apply this update, you don't have to make any changes to the registry. You must restart your computer after you apply this update. This update doesn’t replace a previously released update.