What is FirefoxPortable.exe?

The genuine FirefoxPortable.exe file is a software component of Mozilla Firefox Portable Edition by Mozilla.
FirefoxPortable.exe is an executable file that runs the Mozilla Firefox Portable Edition, a portable version of the Firefox browser that saves passwords, bookmarks, extensions as well as the entire program into a single folder that can be easily moved to a different location such as USB drive. This is not a critical Windows component and should be removed if known to cause problems. The Mozilla Firefox Portable Edition is a fully featured browser that resides in a single folder and requires no installation to run. Deleting the folder uninstalls the program. The browser has all the features of the regular program as well as being fully customizable in layout and controls. The program remembers all changed settings even after it is moved. Mozilla is a community that develops free software. The community is best known for the web browser, Firefox. Mozilla was created by the Netscape Communications Corporation in 1998 as a project to assist with the development of the Mozilla Application Suite. The name, Mozilla, is an amalgam of "Mosaic and Godzilla". The community is aided by the Mozilla Foundation, a non-profit organization created exclusively for the benefit of Mozilla.

FirefoxPortable stands for Mozilla Firefox, Portable Edition

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the FirefoxPortable.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for FirefoxPortable.exe related errors

FirefoxPortable.exe file information

The process known as Mozilla Firefox, Portable Edition belongs to software Mozilla Firefox, Portable Edition by ( or

Description: FirefoxPortable.exe is not essential for the Windows OS and causes relatively few problems. FirefoxPortable.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 162,952 bytes (10% of all occurrences), 163,960 bytes and 8 more variants. 
The program is not visible. The file is not a Windows core file. It is certified by a trustworthy company. FirefoxPortable.exe is able to monitor applications and record keyboard and mouse inputs. Therefore the technical security rating is 41% dangerous.

Recommended: Identify FirefoxPortable.exe related errors

Important: Some malware camouflages itself as FirefoxPortable.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the FirefoxPortable.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving FirefoxPortable issues

A clean and tidy computer is the key requirement for avoiding problems with FirefoxPortable. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the FirefoxPortable.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

FirefoxPortable.exe [all]