Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

I try to download update (39) but i doen't replace 38.1.0; why?

  • 2 antwoorde
  • 1 het hierdie probleem
  • 18 views
  • Laaste antwoord deur FredMcD

more options

I have a 5+ yr old iMac desktop computer. Lately the websites have been telling me to update Safari so I moved to Firefox instead. I downloaded it (version 38.1.0) and put it on my dock. Now, everytime I open Firefox, it screams at me to replace the version with the current, updated one (version 39). I click on Download, restart, etc. but nothing changes and the process begins again the next time I open up Firefox. What am I doing wrong?

I have a 5+ yr old iMac desktop computer. Lately the websites have been telling me to update Safari so I moved to Firefox instead. I downloaded it (version 38.1.0) and put it on my dock. Now, everytime I open Firefox, it screams at me to replace the version with the current, updated one (version 39). I click on Download, restart, etc. but nothing changes and the process begins again the next time I open up Firefox. What am I doing wrong?

All Replies (2)

more options

Well one option is to uninstall firefox 38 and then install firefox 39. I hope that could work.

more options

Download Firefox Full Version For All languages And Systems {web link} Save the file. Then;

Using your file browser, open the Programs Folder on your computer.

Windows: C:\Program Files C:\Program Files (x86) Mac: Open the "Applications" folder. Linux: Check your user manual.

• Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory.


Look for, and rename any Mozilla or Firefox folders by adding .old to them.

Now run the full installer. If all goes well, remove the OLD folders when you are done.