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What is the pxbho.dll component needed for?

Simply stated, a DLL file is an unnamed executable file. It cannot be directly invoked, but it can be called by any executable Windows program.

The pxbho.dll process is also known as Prevx Malicious URL Detector and is a part of Prevx Malicious URL Detector or, as the case may be, Prevx 2.0 Agent. This software is produced by Prevx (www.prevx.com). An obsolete or defective version of pxbho.dll can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about pxbho.dll Prevx Malicious URL Detector

pxbho.dll is not part of Windows, but it is important nonetheless. Pxbho.dll is found in a subdirectory of "C:\Users\USERNAME". The file size is 90,112 bytes.
This DLL file is a browser plug-in. This could mean that your Internet Explorer has been given additional useful capabilities. However, not all such plug-ins are worthwhile. Some just display advertisements or surreptitiously change your browser settings. The unique identifer of the browser plug-in is 55EA1964-F5E4-4D6A-B9B2-125B37655FCB. The program executes in the background, and can only be terminated using Windows Task Manager. As a plug-in of Windows Internet Explorer, this file has the ability to look over your shoulder as you browse the Web. The file does not come from Microsoft and is not part of the operating system. For this reason, 53% 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 pxbho.dll. 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 pxbho?

very good malware resident & on-demand scanner - essential on top of AV (Avast or NOD32) & a Firewall (Kerio or Sygate)
Shayne Micchia
Prevx Malware scanner... (It is GOOD for you) (further information...)
Richard B
Googled a strange file PAQX.EXE (not active but just sitting in the temp dir) then even eraser could not get rid of it. The only web site to have a report was Prevx so downloaded their "free" malware check. wich has some great testimonials (further information...)

Summary: 3 users judge pxbho.dll to be an essential file that should not be touched. For this reason, one user has already deleted pxbho.dll. source: file.net

How to uninstall Prevx Malicious URL Detector or Prevx 2.0 Agent

pxbho.dll Prevx Malicious URL Detector fix

To remove Prevx Malicious URL Detector from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for Prevx Malicious URL Detector or Prevx 2.0 Agent in the list of available programs.
  5. Click Uninstall.

How to tell if pxbho.dll (Prevx Malicious URL Detector) 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 Prevx Malicious URL Detector. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Prevx Malicious URL Detector 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 pxbho.dll 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.

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