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

can't install extentions

  • 3 replies
  • 2 have this problem
  • 9 views
  • Last reply by Vladnz

more options

hello. I trying to install some extentions but coudn't do that. When I clicking on "add to firefox" button it's loading and showing me message "extention donloaded from mozilla.org cann't be istalled becouse it's damaged". I don't know what to do.

hello. I trying to install some extentions but coudn't do that. When I clicking on "add to firefox" button it's loading and showing me message "extention donloaded from mozilla.org cann't be istalled becouse it's damaged". I don't know what to do.

Chosen solution

After last update, I think to version 9, everything installing correctly. thanks for help

Read this answer in context 👍 0

All Replies (3)

more options

Can you check this issue on Firefox 9?

more options
more options

Chosen Solution

After last update, I think to version 9, everything installing correctly. thanks for help