Mozilla Firefox 42.0 (x86 fi) Mozilla Firefox 42.0 (x86 fi)

A guide to uninstall Mozilla Firefox 42.0 (x86 fi) from your system

This page contains detailed information on how to remove Mozilla Firefox 42.0 (x86 fi) for Windows. It was coded for Windows by Mozilla. More data about Mozilla can be seen here. Further information about Mozilla Firefox 42.0 (x86 fi) can be seen at . Mozilla Firefox 42.0 (x86 fi) is typically installed in the C:\Program Files (x86)\Mozilla Firefox folder, subject to the user's decision. You can uninstall Mozilla Firefox 42.0 (x86 fi) by clicking on the Start menu of Windows and pasting the command line C:\Program Files (x86)\Mozilla Firefox\uninstall\helper.exe. Keep in mind that you might receive a notification for administrator rights. Mozilla Firefox 42.0 (x86 fi)'s main file takes about 383.66 KB (392872 bytes) and is called firefox.exe.

Mozilla Firefox 42.0 (x86 fi) contains of the executables below. They take 2.97 MB (3111760 bytes) on disk.

  • crashreporter.exe (276.66 KB)
  • firefox.exe (383.66 KB)
  • maintenanceservice.exe (144.16 KB)
  • maintenanceservice_installer.exe (184.66 KB)
  • plugin-container.exe (271.16 KB)
  • plugin-hang-ui.exe (168.16 KB)
  • updater.exe (294.16 KB)
  • webapp-uninstaller.exe (88.95 KB)
  • webapprt-stub.exe (227.16 KB)
  • wow_helper.exe (106.16 KB)
  • helper.exe (893.90 KB) to view all...

The information on this page is only about version 42.0 of Mozilla Firefox 42.0 (x86 fi). If you are manually uninstalling Mozilla Firefox 42.0 (x86 fi) we advise you to check if the following data is left behind on your PC.

Directories left on disk:
  • C:\Program Files (x86)\Mozilla Firefox

The files below remain on your disk by Mozilla Firefox 42.0 (x86 fi)'s application uninstaller when you removed it:
  • C:\Program Files (x86)\Mozilla Firefox\AccessibleMarshal.dll
  • C:\Program Files (x86)\Mozilla Firefox\application.ini
  • C:\Program Files (x86)\Mozilla Firefox\breakpadinjector.dll
  • C:\Program Files (x86)\Mozilla Firefox\browser\blocklist.xml

Use regedit.exe to manually remove from the Windows Registry the keys below:

Additional values that are not cleaned:
  • HKEY_CLASSES_ROOT\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32\
  • HKEY_CLASSES_ROOT\FirefoxHTML\DefaultIcon\
  • HKEY_CLASSES_ROOT\FirefoxHTML\shell\open\command\
  • HKEY_CLASSES_ROOT\FirefoxURL\DefaultIcon\

A way to delete Mozilla Firefox 42.0 (x86 fi) with the help of Advanced Uninstaller PRO

Mozilla Firefox 42.0 (x86 fi) is an application offered by Mozilla. Frequently, users decide to uninstall this program. Sometimes this is difficult because performing this by hand requires some experience related to Windows program uninstallation. The best EASY way to uninstall Mozilla Firefox 42.0 (x86 fi) is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:

1. If you don't have Advanced Uninstaller PRO on your Windows PC, install it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and general tool to maximize the performance of your Windows PC.


  • go to Download Link
  • download the setup by clicking on the green DOWNLOAD button
  • set up Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. Take some time to admire Advanced Uninstaller PRO's interface and wealth of functions available. Advanced Uninstaller PRO is a very useful system utility.

3. Press the General Tools category
Go to General Tools

4. Click on the Uninstall Programs feature
Go to Uninstall Programs

5. All the programs installed on your PC will appear

6. Scroll the list of programs until you find Mozilla Firefox 42.0 (x86 fi) or simply activate the Search feature and type in "Mozilla Firefox 42.0 (x86 fi)". If it exists on your system the Mozilla Firefox 42.0 (x86 fi) program will be found automatically. After you click Mozilla Firefox 42.0 (x86 fi) in the list of applications, the following information about the program is shown to you:

  • Star rating (in the lower left corner). This explains the opinion other people have about Mozilla Firefox 42.0 (x86 fi), ranging from "Highly recommended" to "Very dangerous".
  • Reviews by other people - Press the Read reviews button.
  • Details about the application you are about to remove, by clicking on the Properties button.
For example you can see that for Mozilla Firefox 42.0 (x86 fi):

  • The publisher is:
  • The uninstall string is: C:\Program Files (x86)\Mozilla Firefox\uninstall\helper.exe
7. Click the Uninstall button. A confirmation page will show up. Confirm the uninstall by pressing the Uninstall button. Advanced Uninstaller PRO will then uninstall Mozilla Firefox 42.0 (x86 fi).
Uninstall Mozilla Firefox 42.0 (x86 fi)

8. After removing Mozilla Firefox 42.0 (x86 fi), Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to start the cleanup. All the items that belong Mozilla Firefox 42.0 (x86 fi) which have been left behind will be found and you will be asked if you want to delete them. By uninstalling Mozilla Firefox 42.0 (x86 fi) using Advanced Uninstaller PRO, you are assured that no Windows registry entries, files or directories are left behind on your PC.

Your Windows computer will remain clean, speedy and ready to run without errors or problems.

Geographical user distribution

  • Windows 7 (6.1)
  • 10.0
  • Windows XP (5.1)
  • Windows 8 (6.2)
  • Windows 8.1 (6.3)
  • Windows Vista (6.0)
Software Application


The text above is not a piece of advice to uninstall Mozilla Firefox 42.0 (x86 fi) by Mozilla from your PC, we are not saying that Mozilla Firefox 42.0 (x86 fi) by Mozilla is not a good software application. This text only contains detailed instructions on how to uninstall Mozilla Firefox 42.0 (x86 fi) supposing you decide this is what you want to do. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2016-06-23 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2016-06-23 13:14:34.080