Windows Virtual Audio Device Proxy Service - Windows 11 Service
Manages virtual audio devices for Windows-based programs. If this service is stopped, virtual audio devices will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
This service exists in Windows 11 only.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | not exists | not exists | not exists | not exists |
| 22H2 | not exists | not exists | not exists | not exists |
| 23H2 | not exists | not exists | not exists | not exists |
| 24H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Windows Virtual Audio Device Proxy Service |
| Service name: | ApxSvc |
| Type: | own |
| Path: | %WinDir%\system32\svchost.exe -k LocalService -p |
| File: | %WinDir%\System32\ApxSvc.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Windows Virtual Audio Device Proxy Service is running as NT AUTHORITY\LocalService in its own process of svchost.exe. No other services run in the same process. If Windows Virtual Audio Device Proxy Service fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the ApxSvc service has failed to start.
Dependencies
Windows Virtual Audio Device Proxy Service is unable to start, if the Remote Procedure Call (RPC) service is stopped or disabled.
Restore Default Startup Type for Windows Virtual Audio Device Proxy Service
Automated Restore
1. Select your Windows 11 edition, and then click on the Download button below.
2. Save the RestoreWindowsVirtualAudioDeviceProxyServiceWindows11.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 ApxSvc.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.