What is itchfltr?

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

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

Itchfltr.sys file information

The process known as Logitech (version PS2 Keyboard Filter Driver.) or Keyboard Helper Driver belongs to software iTouch Keyboard Filter or Logitech Key Commander by Logitech (

Description: Itchfltr.sys is not essential for the Windows OS and causes relatively few problems. Itchfltr.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 12,953 bytes (57% of all occurrences), 12,640 bytes or 10,256 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 system file. The file is a trustworthy file from Microsoft. itchfltr.sys appears to be a compressed file. Therefore the technical security rating is 14% dangerous, however you should also read the user reviews.

Recommended: Identify itchfltr.sys related errors

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

regarding the camouflage comment, simply do a Windows search for itchfltr.sys. You'll probably find two instances. Look to see if the mod date is the same. If so, probably safe.  
This file is the RF keyboard & mouse driver proviced by Logitech and installed on Packard Bell machines
Logitech PS2 Keyboard Filter Driver.

Summary: Average user rating of itchfltr.sys: based on 5 votes with 3 user comments. 4 users think itchfltr.sys is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving itchfltr issues

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

itchfltr.sys [all]