NVIDIA nForce AGP Bus Filter (nv_agp) Service Defaults in Windows 10

NForce NT AGP Filter by Microsoft Corporation.

The NVIDIA nForce AGP Bus Filter service exists only in:

Default Settings

Startup type: Manual
Display name:NVIDIA nForce AGP Bus Filter
Service name:nv_agp
Service type:kernel
Error control:normal
Group:PnP Filter
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\nv_agp

Default Behavior

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

Restore Default Startup Configuration of NVIDIA nForce AGP Bus Filter

1. Run the Command Prompt as an administrator.

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

sc config nv_agp start= demand

3. Close the command window and restart the computer.

The nv_agp service is using the nv_agp.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.