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

New version not installing

more options
  • browser says to update to new version.
  • click on download.
  • download is shown.
  • download window shows nothing after download progress bar is finished.
  • close and open browser and the version is still old and the update warning is still showing.
*browser says to update to new version. *click on download. *download is shown. *download window shows nothing after download progress bar is finished. *close and open browser and the version is still old and the update warning is still showing.

All Replies (1)

more options

Try turning off your Anti-Virus application only long enough to download the new version of Firefox. Once you have it downloaded, you'll need to install it.
https://support.mozilla.com/en-US/kb/Installing+Firefox+on+Windows

When you are 5 versions behind, there is no automatic upgrade / installation, it has to be done manually.