Quality Windows Audio Video Experience - Windows 8 Service
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.
This service also exists in Windows 10, 11, 7 and Vista.
Startup Type
| Windows 8 edition | Windows 8 | Windows 8.1 | Windows 8.1 Update 1 |
|---|---|---|---|
| Core | Manual | Manual | Manual |
| Pro | Manual | Manual | Manual |
| Enterprise | Manual | Manual | Manual |
Default Properties
| Display name: | Quality Windows Audio Video Experience |
| Service name: | QWAVE |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalServiceAndNoImpersonation |
| File: | %windir%\system32\qwave.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Quality Windows Audio Video Experience service runs as NT AUTHORITY\LocalService in a shared process of svchost.exe. Other services might run in the same process. If Quality Windows Audio Video Experience fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the QWAVE service has failed to start.
Dependencies
Quality Windows Audio Video Experience won't start, if the following services are stopped or disabled:
- Link-Layer Topology Discovery Mapper I/O Driver
- QoS Packet Scheduler
- QWAVE driver
- Remote Procedure Call (RPC)
Restore Default Startup Type of Quality Windows Audio Video Experience
Automated Restore
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreQualityWindowsAudioVideoExperienceWindows8.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer.
Note. Make sure that the qwave.dll file exists in the %windir%\system32 folder. If this file is missing you can try to restore it from your Windows 8 installation media.