Quality Windows Audio Video Experience - Windows 11 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, 7, 8 and Vista.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
| 23H2 | Manual | Manual | Manual | Manual |
| 24H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Quality Windows Audio Video Experience |
| Service name: | QWAVE |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalServiceAndNoImpersonation -p |
| File: | %windir%\system32\qwave.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Quality Windows Audio Video Experience service is running 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 11 startup proceeds, but a message box is displayed informing you that the QWAVE service has failed to start.
Dependencies
Quality Windows Audio Video Experience is unable to start, if at least one of the following services is stopped or disabled:
- Link-Layer Topology Discovery Mapper I/O Driver
- QoS Packet Scheduler
- QWAVE driver
- Remote Procedure Call (RPC)
Restore Default Startup Type for Quality Windows Audio Video Experience
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreQualityWindowsAudioVideoExperienceWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
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 11 installation media.