Windows 8 Services

Kbldfltr - Windows 8 Service

Keyboard Lockdown Subsystem by Microsoft Corporation.

This service also exists in Windows 10.

Startup Type

Windows 8 edition Windows 8 Windows 8.1 Windows 8.1 Update 1
Core not exists not exists not exists
Pro not exists Manual Manual
Enterprise not exists Manual Manual

Default Properties

Display name:Kbldfltr
Service name:kbldfltr
Error control:normal
Group:Extended Base

Default Behavior

The Kbldfltr service is a kernel mode driver. If Kbldfltr fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the kbldfltr service has failed to start.

Restore Default Startup Type of Kbldfltr

Automated Restore

1. Select your Windows 8 release and edition, and then click on the Download button below.

2. Save the RestoreKbldfltrWindows8.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.

Note. Make sure that the kbldfltr.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows 8 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.