batcmd.com Windows 8 Services

Windows Defender Boot Driver - Windows 8 Service

Windows Defender Boot Driver.

This service also exists in Windows 10.

Startup Type

Windows 8 edition Windows 8 Windows 8.1 Windows 8.1 Update 1
Core Boot Boot Boot
Pro Boot Boot Boot
Enterprise Boot Boot Boot

Default Properties

Display name:Windows Defender Boot Driver
Service name:WdBoot
Type:kernel
Path:%WinDir%\system32\drivers\WdBoot.sys
Error control:normal
Group:Early-Launch

Default Behavior

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

Restore Default Startup Type for Windows Defender Boot Driver

Automated Restore

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

2. Save the RestoreWindowsDefenderBootDriverWindows8.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 WdBoot.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.