Windows 10 Services

Windows Defender Antivirus Boot Driver - Windows 10 Service

Windows Defender Antivirus Boot Driver.

This service also exists in Windows 8.

Startup Type

Windows 10 edition 1507 1511 1607 1703
Home Boot Boot Boot Boot
Pro Boot Boot Boot Boot
Education Boot Boot Boot Boot
Enterprise Boot Boot Boot Boot

Default Properties

Display name:Windows Defender Antivirus Boot Driver
Service name:WdBoot
Error control:normal

Default Behavior

The Windows Defender Antivirus Boot Driver service is a kernel mode driver. If Windows Defender Antivirus Boot Driver fails to start, the error is logged. Windows 10 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 Antivirus Boot Driver

Automated Restore

1. Select your Windows 10 edition and release, and then click on the Download button below.

2. Save the RestoreWindowsDefenderAntivirusBootDriverWindows10.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 WdBoot.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.