Sometimes, when Firefox is opened, the LBS extension closes the browser using the homepage URL not included in the extension policy

[rafaelcano-sacyl]

We've configured the Legacy Browser Support (LBS) extension in Firefox 78.15.0esr using the distribution file. It contains several destinations to open in Internet Explorer, but the homepage isn't in the list. However, in some cases, when Firefox is opened and the homepage URL is loading, the LSB extensions is loaded with the homepage URL and the Firefox is closed automatically. After three or four attempts, the Firefox is opened normally. It doesn't have a clear pattern, but the URL always shows some like "extension:{bla-bla-bla}:http://my.homepage.url/" (I don't have exactly the URL is showed).

[rafaelcano-sacyl]

This is exactly the URL that is showed in the navigation bar "moz-extension://ea6443ba-f8fe-4292-a57f-8a81f2b8a869/loading.html#http://my.homepage.url/" Once the page seems to be finally loaded, the browser is closed, but not always.

[mkaply]

Thanks for the report. I'll see if I can recreate.