Welcome to the PC Pitstop Process Library. We have an extensive list of the most common processes currently running on PCs. Use this library to inspect the safety of your running processes on a regular basis.

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Process Name

  

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User Optional User Optional
Unwanted Unwanted
Spyware / Adware Spyware / Adware
Virus Virus


com4qlbex.exe (HP Quick Launch Buttons)

Percentage of recently scanned PC's with this process running: 0.12%
Average CPU use for this program: 0%
Average RAM for this program: 3 MB


In addition to the file name, com4qlbex.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

Vendor contains:Hewlett-Packard
Product contains:HP Quick Launch Buttons

To view version information with Windows Explorer, right-click the file and click Properties, Version.


Vendor or Distributor's Web Site

http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-62285-1&lc=en&dlc=en&cc=us&os=228&product=31774


Detailed Description and/or Removal Instructions

http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=c01302560


Win Patrol

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.

com4qlbex.exe  is required by third-party software or hardware and should not disabled.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.


MD5 hashes is the way that computers can define the uniqueness of a file. Anti malware vendors frequently use this technique to detect and clean malware. It is common for a program to have multiple MD5 hashes as the developers create newer versions of the program. For the program called com4qlbex.exe, we have detected 9 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
com4qlbex.exe9
MD5 Hashes
# MD5 Size
1 0x2f27104f5d6ed63fdac38cacb9d19dfd 222512 bytes
2 0x12e94e225bd7b05a2bccd5c0b841e921 222512 bytes
3 0xa94146208170d78906c93ee39cebdd9f 193840 bytes
4 0x7795f8cebc284a426b53f541e538695f 193840 bytes
5 0xfe107b05292297f3fe095adc67cd0095 193840 bytes
MD5 Hashes
# MD5 Size
6 0xab420fa8ee829f80d5fe56b866432da8 239160 bytes
7 0xf2b6e950ed768cc8d980f6d27273b741 209464 bytes
8 0xf9a79c5b27037821112c50a9c8fb367a 228408 bytes
9 0xc7a0e61d5714ac20de52d4f66ec773b8 227896 bytes


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Tips from the PitCrew

Tips from the Pit Crew

Every process running on your computer takes up CPU cycles and valuable memory. For optimal PC performance and resource utilization, you should be aware of every process on your computer. PC Pitstop designed this process library to help you know which processes are worthwhile and others that slow system performance.

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Important Note

A file name alone may not be enough for positive identification. PC Pitstop's Overdrive tests and spyware scan use information such as the company name, product name, or install directory.

If you are unable to identify a file, ask about it in our forums after running our full tests.