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Need help diagnosing what extension is adding text to forum posts

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Title, I'm unable to figure out what extensions is adding text to my forum post, searching the id yields no results.

Title, I'm unable to figure out what extensions is adding text to my forum post, searching the id yields no results.
Attached screenshots

All Replies (5)

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Check the list of extensions on the about:support page.

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You can open the about:debugging page via the location bar and go to "This Firefox" and search for the df92a8c4 UUID that shows in the screenshot to see what extension this is about.

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cor-el said

You can open the about:debugging page via the location bar and go to "This Firefox" and search for the df92a8c4 UUID that shows in the screenshot to see what extension this is about.

I should have made this more clear, that's what I meant by searching the ID. It's not in my extension list.

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If the extension UUID doesn't show on the about:debugging page and is also not present in the browser.uiCustomization.state extensions.webextensions.uuids pref that it sounds that this extension is no longer installed.

You can try "Clear the startup cache..." via the "Help -> More Troubleshooting Information" (about:support) page.

(edited to fix the wrong pref)

Modified by cor-el

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How about:

Copy/paste that src URL to the address bar and change

/js/app.js

to

/manifest.json

and then press Enter to load the manifest. That usually has the extension's familiar name and its ID.