What is firefox.exe?

firefox.exe is part of Firefox and developed by Mozilla Corporation according to the firefox.exe version information.

firefox.exe's description is "Firefox"

firefox.exe is digitally signed by Mozilla Corporation.

firefox.exe is usually located in the 'C:\Program Files\Mozilla Firefox\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about firefox.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on firefox.exe:

Product nameFirefox
Company nameMozilla Corporation
File descriptionFirefox
Internal nameFirefox
Original filenamefirefox.exe
Legal copyright©Firefox and Mozilla Developers, according to the MPL 1.1/GPL 2.0/LGPL 2.1 licenses, as applicable.
Legal trademarkFirefox is a Trademark of The Mozilla Foundation.
Product version3.0.10
File version1.9.0.10

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameFirefox
Company nameMozilla Corporation
File descriptionFirefox
Internal nameFirefox
Original filenamefirefox.exe
Legal copyright©Firefox and Mozilla Developers, ac..
Legal trademarkFirefox is a Trademark of The Mozill..
Product version3.0.10
File version1.9.0.10

Digital signatures [?]

firefox.exe has a valid digital signature.

Signer nameMozilla Corporation
Certificate issuer nameThawte Code Signing CA
Certificate serial number1ee2bfb90ae659c80cb7ea4c606ff03e

VirusTotal report

None of the 55 anti-virus programs at VirusTotal detected the firefox.exe file.

None of the 55 anti-virus programs detected the firefox.exe file.

Folder name variants

firefox.exe may also be located in other folders than C:\Program Files\Mozilla Firefox\. The most common variants are listed below:

Other files also named firefox.exe

firefox.exe (86 votes)

Hashes [?]


Error Messages

These are some of the error messages that can appear related to firefox.exe:

firefox.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

firefox.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Firefox has stopped working.

End Program - firefox.exe. This program is not responding.

firefox.exe is not a valid Win32 application.

firefox.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with firefox.exe?

To help other users, please let us know what you will do with firefox.exe:

What did other users do?

The poll result listed below shows what users chose to do with firefox.exe. 38% have voted for removal. Based on votes from 8 users.

User vote results: There were 3 votes to remove and 5 votes to keep

NOTE: Please do not use this poll as the only source of input to determine what you will do with firefox.exe. Only 8 users has voted so far so it does not offer a high degree of confidence.

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page

Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.


Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

No comments posted yet.

Leave a reply