Known by the service name QLB PS/2 Keyboard Filter Driver, or EAB-II PS/2 Keyboard Filter Driver, the file eabfiltr.sys is an instance of a driver process, and most importantly, a component of the program HP Quick Launch Buttons, or simply Quick Launch Buttons, which is developed by Hewlett-Packard Development Company, L.P, or Hewlett-Packard Company or HP. This driver file is digitally signed by Microsoft Windows Hardware Compatibility Publisher - VeriSign Time Stamping Service, and is considered to be a legitimate process, so it is advisable to keep it stored, and running in the background. This file is downloaded and run automatically during the startup of the Windows, once the software that houses it is installed onto the computer system. It is also compatible with most versions of Microsoft Windows Operating Systems, which include famous later versions, such as Windows 8, Windows 7, Windows XP, Windows Vista, Windows Server 2003, Windows 2000, Windows NT, and Windows ME.

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

A process usually a part of an installed application such as Quick Launch Buttons or HP Quick Launch Buttons, 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 eabfiltr.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 eabfiltr.sys, belongs to, in this case Quick Launch Buttons or HP Quick Launch Buttons