We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

firefox could not install the search plugin from "https://addons.mozilla.org/firefox/downloads/latest/4613/addon-4613-latest.xml?src=search" because an engine with the same name already exists.

  • 1 phendula
  • 19 inale ngxaki
  • 2 views
  • Impendulo yokugqibela ngu Rolfee

more options

When I want to add the Weather Channel I get the following error message;

firefox could not install the search plugin from "https://addons.mozilla.org/firefox/downloads/latest/4613/addon-4613-latest.xml?src=search" because an engine with the same name already exists.. I have Firefox 3.617. Have uninstalled it removed everything and reinstalled it again, same problem. Have uninstalled it again. Installed Firefox 4. Same problen How can I add the Weather Channel? Thanks

When I want to add the Weather Channel I get the following error message; firefox could not install the search plugin from "https://addons.mozilla.org/firefox/downloads/latest/4613/addon-4613-latest.xml?src=search" because an engine with the same name already exists.. I have Firefox 3.617. Have uninstalled it removed everything and reinstalled it again, same problem. Have uninstalled it again. Installed Firefox 4. Same problen How can I add the Weather Channel? Thanks

All Replies (1)

more options

I use Zone Alarm I also did close Zonealarm and tried to install the Weather Channel, but the same problem