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.

Etsi tuesta

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.

Lue lisää

I can't update Firefox, it keeps giving me an error message

  • 2 vastausta
  • 15 henkilöllä on sama ongelma
  • 4 näyttöä
  • Viimeisin kirjoittaja cor-el

more options

Error message: "Update could not be installed. Please make sure no other copies of Firefox running on your computer and restart Firefox again."

There are no other copies running. At least none that I know of - how do I check - and if not, what else would be the problem/how can I fix?

Error message: "Update could not be installed. Please make sure no other copies of Firefox running on your computer and restart Firefox again." There are no other copies running. At least none that I know of - how do I check - and if not, what else would be the problem/how can I fix?

Kaikki vastaukset (2)

more options

Please go to www.getfirefox.com, download Firefox 19.0. Then, restart your Pc, then install the Firefox update.

more options

If there are problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.

Download a new copy of the Firefox program and save the disk image (dmg) file to the desktop

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data if you uninstall and (re)install Firefox.