VIA C7 Processor Driver (ViaC7) Service Defaults in Windows 10

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

VIA C7 Processor Driver is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If VIA C7 Processor Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the ViaC7 service has failed to start due to the error.

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 10 installation media.