What is L8042Kbd?

L8042Kbd.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 L8042Kbd.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for L8042Kbd drivers in need of updating

L8042Kbd.sys file information

The process known as Logitech (version PS2 Keyboard Filter Driver.) belongs to software Logitech SetPoint or Logitech SetPoint Keyboard Driver by Logitech (

Description: L8042Kbd.sys is not essential for the Windows OS and causes relatively few problems. L8042Kbd.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 20,240 bytes (33% of all occurrences), 20,304 bytes, 13,440 bytes, 13,568 bytes or 20,496 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. The L8042Kbd.sys file is not a Windows system file. L8042Kbd.sys is a trustworthy file from Microsoft. The file is a Verisign signed file. L8042Kbd.sys is certified by a trustworthy company. L8042Kbd.sys appears to be a compressed file. Therefore the technical security rating is 13% dangerous; however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to uninstall the associated program (Start > Control Panel > Uninstall a Program > CDDRV_Installer).

Recommended: Identify L8042Kbd.sys related errors

Important: Some malware disguises itself as L8042Kbd.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the L8042Kbd.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

Kaspersky vergleicht den Treiber mit einem Keylogger
Logitech Setpoint File (I think)
Uniblue Driver scanner Update

Summary: Average user rating of L8042Kbd.sys: based on 1 vote with 3 user comments. One user thinks L8042Kbd.sys is essential for Windows or an installed application. 3 users don't grade L8042Kbd.sys ("not sure about it").

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Best practices for resolving L8042Kbd issues

A clean and tidy computer is the key requirement for avoiding problems with L8042Kbd. 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 L8042Kbd.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

L8042Kbd.sys [all]