What is Com4QLBEx.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the Com4QLBEx.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Com4QLBEx.exe file information

Windows Task Manager with Com4QLBEx
Com4QLBEx.exe process in Windows Task Manager

The process known as Com for QLB application belongs to software HP Quick Launch Buttons (version 6.40 H2, 6.40 L1, 6.40 D1, 6.40 D3, 6.40 G4) or HPAsset component for HP or HPAsset component for HP Active by Hewlett-Packard Development Company, L.P (

Description: Com4QLBEx.exe is not essential for the Windows OS and causes relatively few problems. The Com4QLBEx.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 227,896 bytes (44% of all occurrences), 228,408 bytes, 193,840 bytes, 222,512 bytes or 239,160 bytes. 
The program is not visible. The file is a Verisign signed file. The file has a digital signature. The Com4QLBEx.exe file is not a Windows core file. Therefore the technical security rating is 21% dangerous, however you should also read the user reviews.

Uninstalling this variant: You have the option to do the following:
  • visit the website
  • uninstall HP Quick Launch Buttons or HP Quick Launch Buttons 6.40 H2 software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)

Recommended: Identify Com4QLBEx.exe related errors

Important: Some malware camouflages itself as Com4QLBEx.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the Com4QLBEx.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Corn4QLBEx.exe is a part of the HP Quick Launch Buttons package which enables the Quick Launch Buttons on the keyboard for easy control of various bezel buttons such as volume, internal/external display, and mute on/off; HotKeys, and Docked Events.
  Joanna   (further information)
If you own a HP LapTop DV Home enterment model then you need to leave the Com4QLBEx.exe installed to have the external finger slide control display working.

Summary: Average user rating of Com4QLBEx.exe: based on 2 votes with 2 user comments. One user thinks Com4QLBEx.exe is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving Com4QLBEx issues

A clean and tidy computer is the key requirement for avoiding problems with Com4QLBEx. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the Com4QLBEx.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

Com4QLBEx.exe [all]