The itchfltr.sys process is a system driver utility that is distributed with other SYS driver files, some executable application resources, certain Dynamic Link Library (DLL) modules, specific background process items and various components that belong to the firmware distributions and driver software resources of certain Logitech keyboard devices. The itchfltr.sys file and some of these components belong to the Logitech Key Commander software, which is a Windows application bundled with these Logitech keyboard firmware packages and device driver software distributions. The itchfltr.sys file is specifically deployed as one of the components of the Logitech PS2 Keyboard Filter Driver module, which is an applet built into the Logitech Key Commander program and these associated Logitech keyboard device driver software resources and firmware components. The itchfltr.sys file is placed in the system upon the installation of the Logitech Key Commander application or after the successful integration of these associated Logitech keyboard driver software components and firmware distributions.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. itchfltr.sys. is used by Logitech Key Commander and Logitech PS2 Keyboard Filter Driver Module, If you shut down itchfltr.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop itchfltr.sys, permanently you need to uninstall the application that runs this process which in this case is Logitech Key Commander and Logitech PS2 Keyboard Filter Driver Module, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed itchfltr.sys

A process usually a part of an installed application such as Logitech Key Commander and Logitech PS2 Keyboard Filter Driver Module, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if itchfltr.sys. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that itchfltr.sys, belongs to, in this case Logitech Key Commander and Logitech PS2 Keyboard Filter Driver Module