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.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

add-on u-block origin corrupted

adiseno
adiseno
more options

I can't install add-ons u-block origin. It said that the package is corrupted. It seems that the add-on is not properly signed in ff server

I can't install add-ons u-block origin. It said that the package is corrupted. It seems that the add-on is not properly signed in ff server

Chosen solution

Most likely, the add-on is really not corrupt. The problem is, a critical certificate used in verifying add-on signatures expired. So everything fails testing.

A hotfix has been released for Firefox on Windows, Mac and Linux. More info in this article: Add-ons disabled or fail to install on Firefox.

There is not yet a fix for Android. The Add-ons team will post updates here: https://blog.mozilla.org/addons/2019/05/04/update-regarding-add-ons-in-firefox/

If you want an unsupported temporary workaround, please see this thread: https://support.mozilla.org/questions/1258219

UPDATE: Firefox 66.0.4 should now be available on Google Play with the new certificate needed to solve this problem.

Read this answer in context 👍 0

All Replies (1)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
more options

Chosen Solution

Most likely, the add-on is really not corrupt. The problem is, a critical certificate used in verifying add-on signatures expired. So everything fails testing.

A hotfix has been released for Firefox on Windows, Mac and Linux. More info in this article: Add-ons disabled or fail to install on Firefox.

There is not yet a fix for Android. The Add-ons team will post updates here: https://blog.mozilla.org/addons/2019/05/04/update-regarding-add-ons-in-firefox/

If you want an unsupported temporary workaround, please see this thread: https://support.mozilla.org/questions/1258219

UPDATE: Firefox 66.0.4 should now be available on Google Play with the new certificate needed to solve this problem.

Modified by jscher2000 - Support Volunteer