Quality Windows Audio Video Experience (QWAVE) Service Defaults in Windows 8

Quality Windows Audio Video Experience (qWave) is a networking platform for Audio Video (AV) streaming applications on IP home networks. qWave enhances AV streaming performance and reliability by ensuring network quality-of-service (QoS) for AV applications. It provides mechanisms for admission control, run time monitoring and enforcement, application feedback, and traffic prioritization.

Default Settings

Startup type:Manual
Display name:Quality Windows Audio Video Experience
Service name:QWAVE
Service type:share
Error control:normal
Object:NT AUTHORITY\LocalService
Path:%SystemRoot%\system32\svchost.exe -k LocalServiceAndNoImpersonation
File:%SystemRoot%\system32\qwave.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\QWAVE
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Default Behavior

Quality Windows Audio Video Experience is a Win32 service. In Windows 8 it will not be started until the user starts it. When the Quality Windows Audio Video Experience service is started, it runs as NT AUTHORITY\LocalService in a process of svchost.exe, sharing it with other services. If Quality Windows Audio Video Experience fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the QWAVE service hasn't been started.

Dependencies

Quality Windows Audio Video Experience can't start, if any service from the list below is disabled or not available:

Restore Default Startup Configuration for Quality Windows Audio Video Experience

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_QWAVE_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The QWAVE service is using the qwave.dll file that is located in the %windir%\system32 folder. If the file is corrupted or deleted, you can put it back in there.