VIA C7 Processor Driver - Windows Vista Service
Processor Device Driver by Microsoft Corporation.
This service also exists in Windows 10, 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
The VIA C7 Processor Driver service 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 of 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.