Windows 8 Services

Kbldfltr - Windows 8 Service

Keyboard Lockdown Subsystem by Microsoft Corporation.

This service also exists in Windows 10 and 11.

Startup Type

Windows 8 edition Windows 8 Windows 8.1 Windows 8.1 Update 1
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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

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 8.1 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.

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.