VIA C7 Processor Driver (ViaC7) Service Defaults in Windows 8

Processor Device Driver by Microsoft Corporation.

Default Settings

Startup type: Manual
Display name:VIA C7 Processor Driver
Service name:ViaC7
Service type:kernel
Error control:normal
Group:Extended Base
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ViaC7

Default Behavior

The VIA C7 Processor Driver service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If VIA C7 Processor Driver 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 ViaC7 service hasn't been started.

Restore Default Startup Configuration of VIA C7 Processor Driver

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config ViaC7 start= demand

3. Close the command window and restart the computer.

The ViaC7 service is using the viac7.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.