McAfee software products are bundled with SYS driver utilities and other components that assist these applications in implementing its embedded set of functionalities into Windows-based computers, and the mfesmfk.sys file is one of these system driver files used by these McAfee programs for integrating its system monitoring and scanning features into the system. The mfesmfk.sys process is specifically deployed as one of the SYS driver utilities of the System Monitor Filter Driver module, which is an applet built into these McAfee software products. The mfesmfk.sys file is placed in the system upon the installation of these McAfee applications, which also means the mfesmfk.sys process is packaged into the installer distributions of these McAfee software products, which are Windows programs classified as system security tools that were developed with a set of functions for monitoring, detecting and protecting the Windows-based system against possible hacker attacks, user privacy risks, data security threats, system stability issues, data loss and corruption caused by viruses, backdoor rootkits, worms, Trojans and spyware applications among other malicious programs.

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

A process usually a part of an installed application such as McAfee Software Products and McAfee System Monitor 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 mfesmfk.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 mfesmfk.sys, belongs to, in this case McAfee Software Products and McAfee System Monitor Filter Driver Module