Windows 10 Services

VerifierExt - Windows 10 Service

Driver Verifier Extension by Microsoft Corporation.

This service also exists in Windows 8.

Startup Type

Windows 10 edition 1507 1511 1607 1703
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Default Properties

Display name:VerifierExt
Service name:VerifierExt
Error control:normal

Default Behavior

The VerifierExt service is a kernel mode driver. If VerifierExt 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 VerifierExt

Automated Restore

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

2. Save the RestoreVerifierExtWindows10.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.