Keyboard Class Driver - Windows Vista Service
Keyboard Class Driver by Microsoft Corporation.
This service also exists in Windows 10, 11, 7, 8 and XP.
Startup Type
| Windows Vista edition | without SP | SP1 | SP2 |
|---|---|---|---|
| Starter | System | System | System |
| Home Basic | System | System | System |
| Home Premium | System | System | System |
| Business | System | System | System |
| Ultimate | System | System | System |
Default Properties
| Display name: | Keyboard Class Driver |
| Service name: | kbdclass |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\kbdclass.sys |
| Error control: | normal |
| Group: | Keyboard Class |
Default Behavior
The Keyboard Class Driver service is a kernel mode driver. If Keyboard Class Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the kbdclass service has failed to start.
Restore Default Startup Type of Keyboard Class Driver
Automated Restore
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreKeyboardClassDriverWindowsVista.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 to save changes.
Note. Make sure that the kbdclass.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows Vista installation media.