Windows Push Notifications User Service (WpnUserService) Defaults in Windows 10

This service hosts Windows notification platform which provides support for local and push notifications. Supported notifications are tile, toast and raw.

Default Settings

Startup type:
Windows 10 Home 1507N/A
Windows 10 Pro 1507N/A
Windows 10 Education 1507N/A
Windows 10 Enterprise 1507N/A
Windows 10 Home 1511N/A
Windows 10 Pro 1511N/A
Windows 10 Education 1511N/A
Windows 10 Enterprise 1511N/A
Windows 10 Home 1607Manual
Windows 10 Pro 1607Manual
Windows 10 Education 1607Manual
Windows 10 Enterprise 1607Manual
Windows 10 Home 1703Automatic
Windows 10 Pro 1703Automatic
Windows 10 Education 1703Automatic
Windows 10 Enterprise 1703Automatic
Display name:Windows Push Notifications User Service
Service name:WpnUserService
Service type:user share process template
Error control:ignore
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k UnistackSvcGroup
File:%SystemRoot%\System32\WpnUserService.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WpnUserService
Privileges:
  • SeImpersonatePrivilege
  • SeCreateGlobalPrivilege

Default Behavior

It is starting only if the user, an application or another service starts it in Windows 10 Home 1607, Pro 1607, Education 1607, Enterprise 1607. This service is starting automatically when the operating system starts in Windows 10 Home 1703, Pro 1703, Education 1703, Enterprise 1703. If Windows Push Notifications User Service fails to load or initialize, Windows 10 start up proceeds without warnings. However the error details are being logged.

Restore Default Startup Configuration for Windows Push Notifications User Service

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_WpnUserService_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The WpnUserService service is using the WpnUserService.dll file that is located in the %WinDir%\System32 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.