Mozilla Firefox 21.0 (x86 pt-BR) Mozilla Firefox 21.0 (x86 pt-BR)

How to uninstall Mozilla Firefox 21.0 (x86 pt-BR) from your PC

Mozilla Firefox 21.0 (x86 pt-BR) is a computer program. This page is comprised of details on how to remove it from your PC. The Windows release was developed by Mozilla. More information about Mozilla can be found here. Please follow if you want to read more on Mozilla Firefox 21.0 (x86 pt-BR) on Mozilla's page. The program is often located in the C:\Arquivos de programas\Mozilla Firefox folder. Take into account that this path can differ depending on the user's choice. You can uninstall Mozilla Firefox 21.0 (x86 pt-BR) by clicking on the Start menu of Windows and pasting the command line C:\Arquivos de programas\Mozilla Firefox\uninstall\helper.exe. Keep in mind that you might be prompted for admin rights. The program's main executable file is named firefox.exe and it has a size of 898.90 KB (920472 bytes).

Mozilla Firefox 21.0 (x86 pt-BR) is composed of the following executables which take 2.67 MB (2797536 bytes) on disk:

  • crashreporter.exe (113.40 KB)
  • firefox.exe (898.90 KB)
  • maintenanceservice.exe (114.40 KB)
  • maintenanceservice_installer.exe (189.28 KB)
  • plugin-container.exe (16.90 KB)
  • plugin-hang-ui.exe (25.90 KB)
  • updater.exe (265.90 KB)
  • webapp-uninstaller.exe (166.24 KB)
  • webapprt-stub.exe (94.40 KB)
  • helper.exe (846.66 KB) to view all...

The current page applies to Mozilla Firefox 21.0 (x86 pt-BR) version 21.0 only. If planning to uninstall Mozilla Firefox 21.0 (x86 pt-BR) you should check if the following data is left behind on your PC.

Folders that were left behind:
  • C:\Program Files (x86)\Mozilla Firefox

Files remaining:
  • C:\Program Files (x86)\Mozilla Firefox\browser\searchplugins\SearchTheWeb.xml

Open regedit.exe to delete the registry values below from the Windows Registry:
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files (x86)\Mozilla Firefox\firefox.exe

A way to erase Mozilla Firefox 21.0 (x86 pt-BR) from your PC with the help of Advanced Uninstaller PRO

Mozilla Firefox 21.0 (x86 pt-BR) is an application marketed by Mozilla. Some computer users choose to erase this application. This can be efortful because doing this manually takes some know-how related to PCs. One of the best SIMPLE practice to erase Mozilla Firefox 21.0 (x86 pt-BR) 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 already installed on your system, add it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and all around utility to optimize your PC.


2. Run Advanced Uninstaller PRO. Take your time to get familiar with Advanced Uninstaller PRO's interface and number of tools available. Advanced Uninstaller PRO is a very useful Windows tool.

3. Press the General Tools category
Go to General Tools

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

5. A list of the applications existing on your PC will be shown to you

6. Scroll the list of applications until you find Mozilla Firefox 21.0 (x86 pt-BR) or simply activate the Search field and type in "Mozilla Firefox 21.0 (x86 pt-BR)". If it exists on your system the Mozilla Firefox 21.0 (x86 pt-BR) app will be found very quickly. When you select Mozilla Firefox 21.0 (x86 pt-BR) in the list of apps, the following data regarding the program is made available to you:

  • Star rating (in the left lower corner). The star rating explains the opinion other people have regarding Mozilla Firefox 21.0 (x86 pt-BR), ranging from "Highly recommended" to "Very dangerous".
  • Reviews by other people - Press the Read reviews button.
  • Technical information regarding the program you want to remove, by pressing the Properties button.
For example you can see that for Mozilla Firefox 21.0 (x86 pt-BR):

  • The web site of the program is:
  • The uninstall string is: C:\Arquivos de programas\Mozilla Firefox\uninstall\helper.exe
7. Click the Uninstall button. A window asking you to confirm will appear. accept the removal by pressing the Uninstall button. Advanced Uninstaller PRO will automatically remove Mozilla Firefox 21.0 (x86 pt-BR).
Uninstall Mozilla Firefox 21.0 (x86 pt-BR)

8. After uninstalling Mozilla Firefox 21.0 (x86 pt-BR), Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to go ahead with the cleanup. All the items of Mozilla Firefox 21.0 (x86 pt-BR) that have been left behind will be detected and you will be able to delete them. By uninstalling Mozilla Firefox 21.0 (x86 pt-BR) with Advanced Uninstaller PRO, you are assured that no Windows registry entries, files or directories are left behind on your disk.

Your Windows computer will remain clean, speedy and ready to serve you properly.


Geographical user distribution

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


This page is not a recommendation to uninstall Mozilla Firefox 21.0 (x86 pt-BR) by Mozilla from your computer, nor are we saying that Mozilla Firefox 21.0 (x86 pt-BR) by Mozilla is not a good application for your computer. This text only contains detailed info on how to uninstall Mozilla Firefox 21.0 (x86 pt-BR) supposing you want to. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.

2016-07-05 / Written by Andreea Kartman for Advanced Uninstaller PRO

follow @DeeaKartman
Last update on: 2016-07-04 22:14:57.580