Keyboard Class Driver (kbdclass) Service Defaults in Windows 8

Keyboard Class Driver by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:Keyboard Class Driver
Service name:kbdclass
Service type:kernel
Error control:normal
Group:Keyboard Class
Path:%SystemRoot%\System32\drivers\kbdclass.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdclass

Default Behavior

The Keyboard Class Driver service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Keyboard Class Driver 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 kbdclass service hasn't been started.

Restore Default Startup Configuration for Keyboard Class Driver

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_kbdclass_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The kbdclass service is using the kbdclass.sys file that is located in the %WinDir%\System32\drivers folder. If the file is corrupted or deleted, you can put it back in there.