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Firefox has disabled some of my Extensions I need and I need help because I am computer illiterate and don't know how to fix it by myself.

  • 3 回覆
  • 2 有這個問題
  • 5 次檢視
  • 最近回覆由 rakcerve

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I have received the same message as some of you about Firefox disabling some of my extensions which I need, but my problem is that I am computer illiterate, so when I read some of the articles about how to solve this, I am left blank, because i do not understand what they are talking about. Technical language is Chinese so me.

I really need help!

I have received the same message as some of you about Firefox disabling some of my extensions which I need, but my problem is that I am computer illiterate, so when I read some of the articles about how to solve this, I am left blank, because i do not understand what they are talking about. Technical language is Chinese so me. I really need help!

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Hello rakcerve,

see why some extensions are disabled :

Required add-on signing for extensions is new in Firefox version 43. Back in February 2015 it was announced that, for a safer add-on experience, all extensions will have to be verified and signed by Mozilla before they can be installed. More insight into that decision is contained in Mozilla's April 2015 blog post.

Extensions hosted on addons.mozilla.org are automatically signed. If an extension you wish to use is distributed by a third-party, it must be signed before you can install it. Unsigned extensions that you have already installed will be automatically disabled. Please ask the add-on developer or vendor if an updated and signed version of the add-on is available. You can also visit addons.mozilla.org to see if there's a signed version of the add-on you can install.

This signing requirement is mandatory in regular release and beta versions of Firefox. For testing purposes, it will still be possible to configure Firefox Developer Edition and Nightly versions to run unsigned extensions. For more information, please see Add-on signing in Firefox and https://wiki.mozilla.org/Add-ons/Extension_Signing.

You can also visit the mozilla.addons.user-experience group to further discuss add-on signing.


Now to make it enabled again (but will only solve the problem temporarily as the add-on will need to be signed at a certain point, firefox 44) do the next steps carefully:

  1. In the Location bar, type about:config and press Enter. The about:config "This might void your warranty!" warning page may appear.
  2. Click I'll be careful, I promise! to continue to the about:config page.
  3. copy and paste in the search field the next bold xpinstall.signatures.required
  4. now, you can see that preference alone, double click on it to make it false
  5. close the tab
  6. exit firefox and restart it.

probably you are ok now :-), if you need anything else, or stuck somewhere please post again, and definitely someone will help you :-)


thank you

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The true "fix" is to contact the creator or source for each of those disabled extensions and ask each one why they are supplying incompatible extensions for Firefox 43 and if the extension is part of paid-for software (like Kaspersky) demand that they fix their product. This signing 'thing' was announced at least 10 months ago and the "date" it was to start was pushed back a few versions; so those extension developers missed their "deadline" by a big margin.

Big picture is that "they" decided to "add-on" to Firefox, no one forced them to do so. So why not meet your customers expectations, that they are getting what they paid for - no hassle use of their product with attention to detail.

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Thank you or the information.

I am trying to contact the creators pf the extensions.

We'll see what happens, since i really need these to work properly.