Fixes an issue in which handle leak occurs in the Audiodg.exe process on a computer that is running Windows 7 or Windows Server 2008 R2. This issue occurs when you play sound repeatedly.

Resolves a vulnerability in Microsoft Windows that could allow elevation of privilege if a user browses to a malicious webpage.

Disable Audio Enhancements. If you don’t see a signal when you test the microphone, you may have a problem with your device’s audio enhancements (APOs). To disable audio enhancements: Select Additional device properties from the Device Properties panel.

1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services

Addresses an issue in the Windows audio system that might cause the audiodg.exe process to stop working, which results in a temporary loss of audio. Addresses an issue that prevents a virtual private network (VPN) tunnel from connecting.

Describes an issue that in which the audio devices are missing or are displayed as "Not plugged in" after you restart a the computer that is running Windows 7 or Windows Server 2008 R2.

File information. The English (United States) version of Windows update 2779768 installs files that have the attributes that are listed in the following tables. Windows 8 and Windows Server 2012 file information notes.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

The Windows Error Reporting tool, Dw20.exe, collects information automatically whenever an Office program stops responding. With this tool, you can send a report directly to Microsoft. Microsoft uses the data to address problems and enhance future program versions .

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.