Mozilla Firefox 39.0 (x64 en-US) Mozilla Firefox 39.0 (x64 en-US)

A guide to uninstall Mozilla Firefox 39.0 (x64 en-US) from your system

Mozilla Firefox 39.0 (x64 en-US) is a Windows application. Read more about how to uninstall it from your PC. It was coded for Windows by Mozilla. Additional info about Mozilla can be read here. You can see more info about Mozilla Firefox 39.0 (x64 en-US) at . The application is often found in the C:\Program Files\Mozilla Firefox folder (same installation drive as Windows). The full command line for removing Mozilla Firefox 39.0 (x64 en-US) is C:\Program Files\Mozilla Firefox\uninstall\helper.exe. Note that if you will type this command in Start / Run Note you might receive a notification for administrator rights. The program's main executable file has a size of 375.66 KB (384680 bytes) on disk and is named firefox.exe.

Mozilla Firefox 39.0 (x64 en-US) contains of the executables below. They occupy 2.86 MB (2998832 bytes) on disk.

  • crashreporter.exe (329.66 KB)
  • firefox.exe (375.66 KB)
  • maintenanceservice.exe (165.16 KB)
  • maintenanceservice_installer.exe (181.13 KB)
  • plugin-container.exe (232.66 KB)
  • plugin-hang-ui.exe (200.66 KB)
  • updater.exe (314.66 KB)
  • webapp-uninstaller.exe (88.95 KB)
  • webapprt-stub.exe (139.66 KB)
  • helper.exe (900.31 KB) to view all...

The current web page applies to Mozilla Firefox 39.0 (x64 en-US) version 39.0 only.

How to delete Mozilla Firefox 39.0 (x64 en-US) with Advanced Uninstaller PRO

Mozilla Firefox 39.0 (x64 en-US) is a program by Mozilla. Sometimes, computer users try to erase it. Sometimes this is efortful because removing this by hand requires some experience regarding removing Windows applications by hand. The best EASY way to erase Mozilla Firefox 39.0 (x64 en-US) is to use Advanced Uninstaller PRO. Take the following steps on how to do this:

1. If you don't have Advanced Uninstaller PRO already installed on your PC, add it. This is a good step because Advanced Uninstaller PRO is an efficient uninstaller and general tool to optimize your PC.


2. Run Advanced Uninstaller PRO. Take some time to admire Advanced Uninstaller PRO's design and wealth of tools available. Advanced Uninstaller PRO is a very useful Windows optimizer.

3. Press the General Tools button
Go to General Tools

4. Activate the Uninstall Programs tool
Go to Uninstall Programs

5. All the applications existing on your computer will be made available to you

6. Navigate the list of applications until you locate Mozilla Firefox 39.0 (x64 en-US) or simply click the Search feature and type in "Mozilla Firefox 39.0 (x64 en-US)". If it is installed on your PC the Mozilla Firefox 39.0 (x64 en-US) app will be found automatically. Notice that when you click Mozilla Firefox 39.0 (x64 en-US) in the list of applications, the following data regarding the program is available to you:

  • Safety rating (in the left lower corner). The star rating explains the opinion other users have regarding Mozilla Firefox 39.0 (x64 en-US), from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Press the Read reviews button.
  • Technical information regarding the application you are about to remove, by pressing the Properties button.
For instance you can see that for Mozilla Firefox 39.0 (x64 en-US):

  • The web site of the program is:
  • The uninstall string is: C:\Program Files\Mozilla Firefox\uninstall\helper.exe
7. Click the Uninstall button. A confirmation dialog will appear. Confirm the uninstall by clicking Uninstall. Advanced Uninstaller PRO will uninstall Mozilla Firefox 39.0 (x64 en-US).
Uninstall Mozilla Firefox 39.0 (x64 en-US)

8. After uninstalling Mozilla Firefox 39.0 (x64 en-US), Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to proceed with the cleanup. All the items of Mozilla Firefox 39.0 (x64 en-US) which have been left behind will be found and you will be able to delete them. By uninstalling Mozilla Firefox 39.0 (x64 en-US) using Advanced Uninstaller PRO, you are assured that no Windows registry entries, files or folders are left behind on your PC.

Your Windows system will remain clean, speedy and ready to take on new tasks.


Geographical user distribution

  • Windows 7 (6.1)
  • Windows 8.1 (6.3)
  • 10.0
Software Application


This page is not a piece of advice to uninstall Mozilla Firefox 39.0 (x64 en-US) by Mozilla from your computer, nor are we saying that Mozilla Firefox 39.0 (x64 en-US) by Mozilla is not a good software application. This text only contains detailed instructions on how to uninstall Mozilla Firefox 39.0 (x64 en-US) in case you decide this is what you want to do. The information above contains registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2016-07-26 / Written by Andreea Kartman for Advanced Uninstaller PRO

follow @DeeaKartman
Last update on: 2016-07-26 11:18:40.840