What is kbdclass?
The genuine kbdclass.sys file is a software component of Microsoft Windows Operating System by Microsoft.
The system file that allows your keyboard to interface with the Windows Operating System, this driver is included in all released of Windows. It can be superseded by other third party keyboard drivers, but this file is fairly reliable for most Windows or generic keyboards. Founded in 1975, Microsoft's flagship product is the Windows operating system, which is installed on over 90% of workstations worldwide.
KbdClass stands for Keyboard Class Driver
Kbdclass.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc.
The free file information forum can help you determine if kbdclass.sys is a Windows system file or if it belongs to an application that you can trust.
Run a free scan to check for kbdclass drivers in need of updating
Since 2005, file.net has researched facts about Windows processes and files, analyzed user experiences, and examined files using its own analysis tools. Around 10,000 users rely on it every day.
Kbdclass.sys file information
The process known as Keyboard Class Driver belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).
Description: Kbdclass.sys is not essential for the Windows OS and causes relatively few problems. The kbdclass.sys file is located in the C:\Windows\System32\drivers folder.
Known file sizes on Windows 10/11/7 are 42,576 bytes (42% of all occurrences), 46,944 bytes, 24,576 bytes, 35,384 bytes or 39,664 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
The program is not visible. There is no detailed description of this service. It is a Microsoft signed file. Kbdclass.sys is a keyboard driver, can record inputs. It is not a Windows core file. The file has a digital signature.
kbdclass.sys appears to be a compressed file.
Therefore the technical security rating is 34% dangerous; however you should also read the user reviews.
Recommended: Identify kbdclass.sys related errors
Important: Some malware disguises itself as kbdclass.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the kbdclass.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Best practices for resolving kbdclass issues
A clean and tidy computer is the key requirement for avoiding problems with kbdclass. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the kbdclass.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
msiservice.exe amoumain.exe nvnodejslauncher.exe kbdclass.sys pas.exe yourphoneserver.exe safe_url.dll client.exe [email protected] rdrcef.exe hpwmisvc.exe [all]
Score
User Comments
Matt
waspy (further information)
RV
al
AO
Treefriend
Summary: Average user rating of kbdclass.sys: based on 7 votes with 6 user comments. 6 users think kbdclass.sys is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. One user is not sure about it.