VIA AGP Bus Filter - Windows 8 Service
VIA NT AGP Filter by Microsoft Corporation.
This service also exists in Windows 10, 7 and Vista.
Startup Type
| Windows 8 edition | Windows 8 | Windows 8.1 | Windows 8.1 Update 1 |
|---|---|---|---|
| Core | Manual | Manual | Manual |
| Pro | Manual | Manual | Manual |
| Enterprise | Manual | Manual | Manual |
Default Properties
| Display name: | VIA AGP Bus Filter |
| Service name: | viaagp |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\viaagp.sys |
| Error control: | normal |
| Group: | PnP Filter |
Default Behavior
The VIA AGP Bus Filter service is a kernel mode driver. If VIA AGP Bus Filter fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the viaagp service has failed to start.
Restore Default Startup Type of VIA AGP Bus Filter
Automated Restore
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreVIAAGPBusFilterWindows8.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.
Note. Make sure that the viaagp.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 8 installation media.