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

The add-on "provider for Google Calender" coming from your site, is not verified and won't install. What can I do?

  • 1 reply
  • 2 have this problem
  • 2 views
  • Last reply by Zenos

more options

I want to synchronize my LG-android-telephone (with Google calender) with my Thunderbird calender. I've found "provider for Google calender" on the Mozilla-sites, but Thunderbird warns me it cannot install an unverified Add-on....

I want to synchronize my LG-android-telephone (with Google calender) with my Thunderbird calender. I've found "provider for Google calender" on the Mozilla-sites, but Thunderbird warns me it cannot install an unverified Add-on....
Attached screenshots

Chosen solution

That looks like you're installing into Firefox.

Download the xpi file then install it into Thunderbird. Or drag the link for the xpi file onto Thunderbird's Add-ons page.

https://support.mozilla.org/en-US/kb/installing-addon-thunderbird

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

That looks like you're installing into Firefox.

Download the xpi file then install it into Thunderbird. Or drag the link for the xpi file onto Thunderbird's Add-ons page.

https://support.mozilla.org/en-US/kb/installing-addon-thunderbird