The i8042prt.sys process is also known as the i8042 Port Driver and it is owned by Microsoft Corporation, belonging to Microsoft Windows operating system. The i8042 Port Driver controls the keyboard and the PS/2-compatible mouse for the controller (Intel 8042). The program can be initialized and stopped from the services in the Control Panel or with the use of other programs. It is invisible. There are minimal descriptions regarding this service, although the program is certified to be a trustworthy application. It is a Windows core system file and a compressed file. It is digitally signed from the Microsoft Windows, so removing it digitally is not recommended. The technical security rating of the program is 2% dangerous, making it very safe to operate within the user’s computer system. The program does not indicate any malicious contents making it strong in terms of security. Disabling the file may cause the computer system to malfunction, especially in the operations of the keyboard and mouse.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. i8042prt.sys. is used by i8942 Port Driver, If you shut down i8042prt.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop i8042prt.sys, permanently you need to uninstall the application that runs this process which in this case is i8942 Port Driver, 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 i8042prt.sys

A process usually a part of an installed application such as i8942 Port Driver, 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 i8042prt.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 i8042prt.sys, belongs to, in this case i8942 Port Driver