MSE.ico is a dangerous file, which should never be kept on the computer system. That's because it belongs to a program known as My Security Engine. If you noticed this program installed on your computer (it affects all web browsers), you should take into account that it can be used for redirecting you to unknown websites, displaying annoying pop-up ads and initiating other questionable activities. That's why we don't recommend keeping My Security Engine on the system.
MSE.ico shows up on the system as soon as My Search Engine enters computer. Note that it can be installed voluntarily and not. If you want to prevent unexpected installation of this program, you should pay more attention to freeware's installation and avoid bundled downloads. Otherwise, MSE.ico may start to degrade system's performance, display commercial advertisements or perform other annoying actions.
Before you remove this file from the system, please note that MSE.ico file can also be a fully legitimate part of the operating system or legitimate software. Often parasites use files with unsuspicious names for hiding themselves. In order to check the trustworthiness of MSE.ico, you should run RegCure Pro.