Windows 7 Services

WFP Lightweight Filter - Windows 7 Service

WFP Lightweight Filter.

This service exists in Windows 7 only.

Startup Type

Windows 7 edition without SP SP1
Starter System System
Home Basic System System
Home Premium System System
Professional System System
Ultimate System System
Enterprise System System

Default Properties

Display name:WFP Lightweight Filter
Service name:WfpLwf
Error control:normal

Default Behavior

The WFP Lightweight Filter service is a kernel driver. If the WFP Lightweight Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WfpLwf service has failed to start.

Restore Default Startup Type of WFP Lightweight Filter

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreWFPLightweightFilterWindows7.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the wfplwf.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.