Web Threat Defense User Service (webthreatdefusersvc) Defaults in Windows 11

Web Threat Defense User Service helps protect your computer by warning the user when unauthorized entities attempt to gain access to their credentials.

The Web Threat Defense User Service does not exist in:

Default Settings

Startup type: Automatic
Display name:Web Threat Defense User Service
Service name:webthreatdefusersvc
Service type:user share process template
Error control:normal
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k LocalSystemNetworkRestricted -p
File:%SystemRoot%\System32\webthreatdefusersvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\webthreatdefusersvc
Privileges:
  • SeImpersonatePrivilege

Default Behavior

In Windows 11 it starts automatically during the operating system startup. If Web Threat Defense User Service fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the webthreatdefusersvc service startup failure.

Dependencies

Web Threat Defense User Service cannot be started, if the Remote Procedure Call (RPC) service won't start.

Restore Default Startup Configuration of Web Threat Defense User Service

Before you begin doing this, make sure that all the services on which Web Threat Defense User Service depends are configured by default and function properly. See the list of dependencies above.

1. Run the Command Prompt as an administrator.

2. Copy the commands below, paste them into the command window and press ENTER:

sc config webthreatdefusersvc start= auto
sc start webthreatdefusersvc

3. Close the command window and restart the computer.

The webthreatdefusersvc service is using the webthreatdefusersvc.dll file that is located in the C:\Windows\System32 directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.