Mozilla Firefox (en-US) Mozilla Firefox (en-US)

A guide to uninstall Mozilla Firefox (en-US) from your system

This web page contains detailed information on how to uninstall Mozilla Firefox (en-US) for Windows. The Windows version was created by FrontMotion. You can read more on FrontMotion or check for application updates here. Click on to get more information about Mozilla Firefox (en-US) on FrontMotion's website. The program is usually located in the C:\Program Files\Mozilla Firefox directory (same installation drive as Windows). The full uninstall command line for Mozilla Firefox (en-US) is MsiExec.exe /I{99A850B7-408E-4D09-9AA1-F84212E419CD}. firefox.exe is the Mozilla Firefox (en-US)'s main executable file and it occupies close to 498.95 KB (510920 bytes) on disk.

The following executable files are contained in Mozilla Firefox (en-US). They occupy 2.39 MB (2506096 bytes) on disk.

  • crashreporter.exe (114.95 KB)
  • firefox.exe (498.95 KB)
  • maintenanceservice.exe (168.45 KB)
  • maintenanceservice_installer.exe (152.32 KB)
  • mozillaInst.exe (65.00 KB)
  • plugin-container.exe (152.95 KB)
  • plugin-hang-ui.exe (29.95 KB)
  • updater.exe (313.95 KB)
  • wow_helper.exe (98.95 KB)
  • helper.exe (851.92 KB) to view all...

The current page applies to Mozilla Firefox (en-US) version only. You can find below info on other releases of Mozilla Firefox (en-US): to view all...

A way to uninstall Mozilla Firefox (en-US) from your computer with Advanced Uninstaller PRO

Mozilla Firefox (en-US) is a program released by the software company FrontMotion. Some people try to uninstall this application. This can be hard because uninstalling this manually takes some know-how related to PCs. One of the best EASY practice to uninstall Mozilla Firefox (en-US) 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 system, add it. This is a good step because Advanced Uninstaller PRO is a very efficient uninstaller and all around tool to take care of your Windows PC.


  • go to Download Link
  • download the setup by clicking on the green DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. It's recommended to take your time to admire Advanced Uninstaller PRO's interface and number of tools available. Advanced Uninstaller PRO is a very good PC management program.

3. Press the General Tools category
Go to General Tools

4. Press the Uninstall Programs tool
Go to Uninstall Programs

5. A list of the applications existing on the PC will be made available to you

6. Scroll the list of applications until you locate Mozilla Firefox (en-US) or simply click the Search feature and type in "Mozilla Firefox (en-US)". The Mozilla Firefox (en-US) program will be found very quickly. Notice that when you select Mozilla Firefox (en-US) in the list of applications, some information regarding the application is available to you:

  • Safety rating (in the lower left corner). This explains the opinion other people have regarding Mozilla Firefox (en-US), from "Highly recommended" to "Very dangerous".
  • Reviews by other people - Press the Read reviews button.
  • Details regarding the program you want to uninstall, by clicking on the Properties button.
For instance you can see that for Mozilla Firefox (en-US):

  • The web site of the program is:
  • The uninstall string is: MsiExec.exe /I{99A850B7-408E-4D09-9AA1-F84212E419CD}
7. Click the Uninstall button. A confirmation page will come up. accept the removal by clicking the Uninstall button. Advanced Uninstaller PRO will remove Mozilla Firefox (en-US).
Uninstall Mozilla Firefox (en-US)

8. After uninstalling Mozilla Firefox (en-US), Advanced Uninstaller PRO will ask you to run an additional cleanup. Click Next to start the cleanup. All the items of Mozilla Firefox (en-US) which have been left behind will be found and you will be able to delete them. By uninstalling Mozilla Firefox (en-US) using Advanced Uninstaller PRO, you can be sure that no Windows registry entries, files or folders are left behind on your PC.

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


This page is not a piece of advice to uninstall Mozilla Firefox (en-US) by FrontMotion from your PC, we are not saying that Mozilla Firefox (en-US) by FrontMotion is not a good application for your computer. This text only contains detailed instructions on how to uninstall Mozilla Firefox (en-US) in case you want to. The information above contains registry and disk entries that our application Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.

2017-06-03 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2017-06-03 06:48:47.677