What is kbfiltr?

Kbfiltr.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 kbfiltr.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for kbfiltr drivers in need of updating

Kbfiltr.sys file information

The process known as Keyboard Filter Driver or Dritek Keyboard Filter Driver or Example Keyboard Filter Driver

belongs to software Keyboard Filter or Keyboard Filter Driver or Windows® Codename Longhorn DDK driver or Dritek HotKey Keyboard Filter Driver

by Dritek System ( or Windows® Codename Longhorn DDK provider.

Description: Kbfiltr.sys is not essential for Windows and will often cause problems. The kbfiltr.sys file is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 5,632 bytes (66% of all occurrences) or 13,482 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. It is not a Windows core file. There is no file information. The file is a trustworthy file from Microsoft. kbfiltr.sys appears to be a compressed file. Therefore the technical security rating is 26% dangerous, however you should also read the user reviews.

Recommended: Identify kbfiltr.sys related errors

If kbfiltr.sys is located in a subfolder of "C:\Program Files", the security rating is 40% dangerous. The file size is 7,168 bytes. The program is not visible. The service has no detailed description. It is not a Windows core file. kbfiltr.sys appears to be a compressed file.

Important: Some malware disguises itself as kbfiltr.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the kbfiltr.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.


User Comments

short cut keys on keyboard, if you want them
  John Flook  
essential for using your extra keys on your laptop (multimedia and the like)
  Wannes Dobbelaere   (further information)
Part of OSD application, keyboard shortcut display on netbooks
  Martin Carpenter  

Summary: Average user rating of kbfiltr.sys: based on 4 votes with 3 user comments. 2 users think kbfiltr.sys is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. One user thinks kbfiltr.sys is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving kbfiltr issues

A clean and tidy computer is the key requirement for avoiding problems with kbfiltr. 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, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the kbfiltr.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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

kbfiltr.sys [all]