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An extension has disappeared from AMO with no explanation... should I be worried?

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  • Igcine ukuphendulwa ngu jscher2000

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I've been using the extension Screengrab! for years, and still have it installed (v2.18), but it seems to have disappeared from the add-ons repository without trace. How do I find out if the author has retired it or if Mozilla have acted over some security fear? The extension still seems to be available in the Chrome web store (can't see a version number). Screengrab! had tens of thousands of users and had been updated for web extensions (although with some loss of functionality) so it seems strange for it to just disappear.

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Hi BlazingReynard, if the extension was highly malicious, it would be blocked (forced to Disabled), but nevertheless, it is a good idea to investigate.

I think the page used to be here: https://addons.mozilla.org/addon/screengrab-fix-version/

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Hi jscher2000, yep that's the one. I used to be able to link to it straight from about:addons. From the "release notes" tab I think but I'm just getting an error message now; "Sorry, but there was an error loading the release notes".

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You can check the extensions.json file in the profile folder for the homepageURL of this extension to see if this link still exists in case the extension is still installed.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

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If you want to check whether an extension has been removed for security reasons:

Blocked Add-ons https://blocked.cdn.mozilla.net/

I didn't find Screengrab! listed

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Hi My_Cheese_Is_Slippin'. That's useful. S3 Translator is on the list and it's by the same author. Hopefully he's inadvertently fallen foul of Mozilla's security policies and it's nothing more sinister.

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Too bad that the Blocked List can't sort extensions by Author.

This article Add-ons that cause stability or security issues are put on a blocklist doesn't say anything about all of an authors extensions being temporarily removed for scrutiny but, I suppose it would be prudent.

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BlazingReynard said

I've been using the extension Screengrab! for years, and still have it installed (v2.18), but it seems to have disappeared from the add-ons repository without trace. How do I find out if the author has retired it or if Mozilla have acted over some security fear? The extension still seems to be available in the Chrome web store (can't see a version number). Screengrab! had tens of thousands of users and had been updated for web extensions (although with some loss of functionality) so it seems strange for it to just disappear.

Most websites that are replaced with the Sever Not Found error message, meaning that the website went dead link. Rogers usually turns the channels off, replaced with "Not Authorized" message.

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Hi hopkinsbrandon921, let's continue under your new question here:

https://support.mozilla.org/questions/1281016

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