User Mode Driver Frameworks Platform Driver (WudfPf) Service Defaults in Windows 11
A kernel mode driver that uses message-based interprocess communication mechanism to communicate with the driver manager and secure host process to facilitate secure companions.
Default Settings
| Startup type: | Manual |
| Display name: | User Mode Driver Frameworks Platform Driver |
| Service name: | WudfPf |
| Service type: | kernel |
| Error control: | normal |
| Group: | base |
| Path: | %SystemRoot%\system32\drivers\WudfPf.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WudfPf |
Default Behavior
User Mode Driver Frameworks Platform Driver is a kernel driver. In Windows 11 it starts only if the user, an application or another service starts it. If User Mode Driver Frameworks Platform Driver fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the WudfPf service startup failure.
Restore Default Startup Configuration of User Mode Driver Frameworks Platform Driver
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config WudfPf start= demand
3. Close the command window and restart the computer.
The WudfPf service is using the WudfPf.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.