batcmd.com Windows 10 Services

Driver Verifier Extension - Windows 10 Service

Driver Verifier component to help find bugs in device drivers.

This service also exists in Windows 8.

Startup Type

Windows 10 version Home Pro Education Enterprise
1507 Manual Manual Manual Manual
1511 Manual Manual Manual Manual
1607 Manual Manual Manual Manual
1703 Manual Manual Manual Manual
1709 Manual Manual Manual Manual
1803 Manual Manual Manual Manual

Default Properties

Display name:Driver Verifier Extension
Service name:VerifierExt
Type:kernel
Path:%WinDir%\System32\drivers\VerifierExt.sys
Error control:normal
Group:WdfLoadGroup

Default Behavior

The Driver Verifier Extension service is a kernel mode driver. If Driver Verifier Extension fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the VerifierExt service has failed to start.

Restore Default Startup Type for Driver Verifier Extension

Automated Restore

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

2. Save the RestoreDriverVerifierExtensionWindows10.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 VerifierExt.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.