Uli AGP Bus Filter (uliagpkx) Service Defaults in Windows 8

ULi AGPv3.0 Filter for K8/9 Processor Platforms by Microsoft Corporation.

Default Settings

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

Default Behavior

The Uli AGP Bus Filter service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Uli AGP Bus Filter 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 uliagpkx service hasn't been started.

Restore Default Startup Configuration of Uli 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 uliagpkx start= demand

3. Close the command window and restart the computer.

The uliagpkx service is using the uliagpkx.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.