WPD Upper Class Filter Driver.
This service also exists in Windows 10 and 11.
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 |
Display name: | WPD Upper Class Filter Driver |
Service name: | WpdUpFltr |
Type: | kernel |
Path: | %WinDir%\System32\drivers\WpdUpFltr.sys |
Error control: | normal |
Group: | PnP Filter |
The WPD Upper Class Filter Driver service is a kernel mode driver. If WPD Upper Class Filter Driver fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the WpdUpFltr service has failed to start.
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreWPDUpperClassFilterDriverWindows8.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 WpdUpFltr.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.