batcmd.com Windows Vista Services

VIA C7 Processor Driver - Windows Vista Service

Processor Device Driver by Microsoft Corporation.

This service also exists in Windows 7 and 8.

Startup Type

Since VIA C7 Processor Driver is a kernel mode driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.

Windows Vista edition without SP SP1 SP2
Starter Disabled Disabled Disabled
Home Basic Disabled Disabled Disabled
Home Premium Disabled Disabled Disabled
Business Disabled Disabled Disabled
Ultimate Disabled Disabled Disabled

Default Properties

Display name:VIA C7 Processor Driver
Service name:ViaC7
Type:kernel
Path:%WinDir%\system32\drivers\viac7.sys
Error control:normal
Group:Extended Base

Default Behavior

VIA C7 Processor Driver is a kernel mode driver. If VIA C7 Processor Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the ViaC7 service has failed to start.

Restore Default Startup Type for VIA C7 Processor Driver

Automated Restore

1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.

2. Save the RestoreVIAC7ProcessorDriverWindowsVista.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 viac7.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.