Mozzila Firefox cannot install add-ons without error

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Hi there,

During the install of some addons for Mozilla this error appeared. Last week I have installed without any errors others addons and now I’m stuck with this. Any solution ? What is happening now with my browser ?

Thanks !

Error

Firefox could not install the file at https://addons.cdn.mozilla.net/user-media/addons/3456/web_of_trust_mywotwot_website_reputation_rating-20171020.0wot-an+fx.xpi?filehash=sha256%3A142aa2a7c5864f26c1fe7326589020320455e00bf9dc223f9552df41d65c1b03

because : download error -228.

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Answered By 0 points N/A #179004

Mozzila Firefox cannot install add-ons without error

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Hi Leslie,

It seems that you have faced a network connection related issue. You can simply try to download the add on again and install it. If you fail again:

– Check your network connection is working properly.

– Check your firewall to see whether it is blocking the connection to the given URL. If found, remove the link from the block list.

Now, try and install it again. 

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