The process Com for QLB application is a file which has an internal name called com4qlbex.exe file. The file is literally from the software called HP Quick Launch Buttons. The program is a keyboard driver which enables the special buttons of the Hewlett-Packard Keyboard. Such controls involves volumes, internal/external Display, mute and etc. The file can be usually located in the C: directory and under the Program files folder. The program has no visible window for the user to manipulate its behavior. The file is a Verisigned file which means that the file belongs to the trusted file of the Microsoft Windows Operating System (OS). The user may have the option to remove the file by removing entire program in which the file is associated with. In Windows XP, the file has the size of 193,840 bytes but file size may vary depending on the operating system being used.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. com4qlbex.exe. is used by HP Quick Lunch Buttons, If you shut down com4qlbex.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop com4qlbex.exe, permanently you need to uninstall the application that runs this process which in this case is HP Quick Lunch 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 com4qlbex.exe

A process usually a part of an installed application such as HP Quick Lunch 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 com4qlbex.exe. 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 com4qlbex.exe, belongs to, in this case HP Quick Lunch Buttons