What does the Com4QLBEx.exe file do?
The Com4QLBEx.exe process is also known as Com for QLB application and is a part of HP Quick Launch Buttons (Version 6.40 H2, 6.40 L1, 6.40 G4) or, as the case may be, HPAsset component for HP Active. This software is produced by Hewlett-Packard Development Company, L.P (www.hp.com). An obsolete or defective version of Com4QLBEx.exe can cause problems for your computer that can range from slowness to error messages such as these:
- Com for QLB application has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Com for QLB application has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- Com4QLBEx.exe has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module Com4QLBEx.exe. Read of address 00000000.
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What you should know about Com4QLBEx.exe Com for QLB application
Com4QLBEx.exe is not part of Windows, but it is important nonetheless. The file Com4QLBEx.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 227,896 bytes (50% of all these files), 228,408 bytes, 193,840 bytes, 222,512 bytes or, as the case may be, 239,160 bytes.
It is the service "Com4QLBEx".
The program executes in the background, and can only be terminated using Windows Task Manager. Com4QLBEx.exe has a digital signature. This confirms that the producer has been registered with a certificate authority. This file is no part of Microsoft Windows. The Com4QLBEx file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. For this reason, 22% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves Com4QLBEx.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about Com4QLBEx?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall HP Quick Launch Buttons or HPAsset component for HP Active
To remove Com for QLB application from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate HP Quick Launch Buttons or HPAsset component for HP Active in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if Com4QLBEx.exe (Com for QLB application) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Com for QLB application. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Com for QLB application or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or Com4QLBEx.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.