Keyboard Class Driver by Microsoft Corporation.
This service also exists in Windows 11, 8, Vista and XP.
Windows 10 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
1507 | Manual | Manual | Manual | Manual |
1511 | Manual | Manual | Manual | Manual |
1607 | Manual | Manual | Manual | Manual |
1703 | Manual | Manual | Manual | Manual |
1709 | Manual | Manual | Manual | Manual |
1803 | Manual | Manual | Manual | Manual |
1809 | Manual | Manual | Manual | Manual |
1903 | Manual | Manual | Manual | Manual |
1909 | Manual | Manual | Manual | Manual |
2004 | Manual | Manual | Manual | Manual |
20H2 | Manual | Manual | Manual | Manual |
21H1 | Manual | Manual | Manual | Manual |
21H2 | Manual | Manual | Manual | Manual |
22H2 | Manual | Manual | Manual | Manual |
Display name: | Keyboard Class Driver |
Service name: | kbdclass |
Type: | kernel |
Path: | %WinDir%\System32\drivers\kbdclass.sys |
Error control: | normal |
The Keyboard Class Driver service is a kernel mode driver. If Keyboard Class Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the kbdclass service has failed to start.
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreKeyboardClassDriverWindows10.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 10 installation media.