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.

ابحث في الدعم

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

Download failed. Please check your connection.

  • 1 (رد واحد)
  • 2 have this problem
  • 2 views
  • آخر ردّ كتبه McCoy

more options

Ok it appears that I my previous add-ons have been removed and I cannot re-install them ?

I get the following message every time I try to add any add-on ?????

"Download failed. Please check your connection"

Ok it appears that I my previous add-ons have been removed and I cannot re-install them ? I get the following message every time I try to add any add-on ????? "Download failed. Please check your connection"

All Replies (1)

more options

Hello whatagain,

This is (or maybe I should say : was ) caused by an unforeseen technical problem - sorry for the inconvenience ….

Please see :

https://support.mozilla.org/en-US/kb/add-ons-failing-install-firefox

https://discourse.mozilla.org/t/certificate-issue-causing-add-ons-to-be-disabled-or-fail-to-install/39047/