First, Check your firefox (or else) 's download location.
Second, Set your add-on setting download format
Third, try manually download at site, If they show "are you human" that might be problem.

I think that your problem is third one. Check that human check and re-try downloader.

I install ubuntu 26.04 LTS and tested it.

it works.

thank you.

I don't know what is your environment, what is happened, and any information.
I can't help you like those question. Plus, this is open-source code. So if you want, Ask with AI. that is the fast way I think.

First, check if it's the latest version,
This add-on does not work in the list of posts, but only when you right-click on a blank space inside the post.
I work without any problems, so maybe there's nothing wrong with the add-on itself.

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