The l8042pr2.sys file is implemented as among the program files and modules that are used and referenced by certain versions of the Logitech PS/2 Mouse Filter driver module, which is a driver software component of supported Logitech mice models. The l8042pr2.sys file is packaged with the firmware and driver software distributions that come bundled with compatible Logitech mice models, and upon installation of these firmware and driver software components, the l8042pr2.sys file is also placed in the system. The content of the l8042pr2.sys file includes source code comprised of sequential command lines, application-specific instructions, program-specific module references and modular system resource directives that are used and referenced by other program files and modules included in the firmware and driver software components of supported Logitech mice models. The source code stored in the l8042pr2.sys file is encoded with program logic compilation specifications that are normally implemented into content saved in the SYS file format.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. l8042pr2.sys. is used by Logitech PS/2 Mouse Filter Driver Module, If you shut down l8042pr2.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop l8042pr2.sys, permanently you need to uninstall the application that runs this process which in this case is Logitech PS/2 Mouse 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 l8042pr2.sys

A process usually a part of an installed application such as Logitech PS/2 Mouse 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 l8042pr2.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 l8042pr2.sys, belongs to, in this case Logitech PS/2 Mouse Filter Driver Module