What is LKbdFlt2?

LKbdFlt2.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 LKbdFlt2.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for LKbdFlt2 drivers in need of updating

LKbdFlt2.sys file information

The process known as Logitech Keyboard Filter Driver or Logitech Filter Driver for Keyboard Class belongs to software Logitech Keyboard Class Filter Driver by Logitech (

Description: LKbdFlt2.sys is not essential for Windows and will often cause problems. LKbdFlt2.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 5,840 bytes (33% of all occurrences), 6,030 bytes, 5,838 bytes, 5,846 bytes or 5,841 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. LKbdFlt2.sys is a keyboard driver, can record inputs. There is no detailed description of this service. The LKbdFlt2.sys file is not a Windows system file. The LKbdFlt2.sys file is a trustworthy file from Microsoft. LKbdFlt2.sys appears to be a compressed file. Therefore the technical security rating is 45% dangerous; however you should also read the user reviews.

Recommended: Identify LKbdFlt2.sys related errors

Important: Some malware disguises itself as LKbdFlt2.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the LKbdFlt2.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

Treiber für Logitech-Keyboards

Summary: Average user rating of LKbdFlt2.sys: based on 3 votes with 1 user comment. 2 users think LKbdFlt2.sys is essential for Windows or an installed application. One user thinks LKbdFlt2.sys is dangerous and recommends removing it.

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Best practices for resolving LKbdFlt2 issues

A clean and tidy computer is the key requirement for avoiding problems with LKbdFlt2. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the LKbdFlt2.sys process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

LKbdFlt2.sys [all]