VerifierExt Service Defaults in Windows 8
Driver Verifier Extension by Microsoft Corporation.
Default Settings
| Startup type: | Manual |
| Display name: | VerifierExt |
| Service name: | VerifierExt |
| Service type: | kernel |
| Error control: | normal |
| Group: | WdfLoadGroup |
| Path: | %SystemRoot%\system32\drivers\VerifierExt.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VerifierExt |
Default Behavior
The VerifierExt service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If VerifierExt fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the VerifierExt service hasn't been started.
Restore Default Startup Configuration of VerifierExt
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config VerifierExt start= demand
3. Close the command window and restart the computer.
The VerifierExt service is using the VerifierExt.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 8 installation media.