Hi Veronica, this usually indicates that an Enterprise Policy is being applied to your Firefox. This is not surprising in a workplace, but it is less common at home. The most common culprit is your security software.

As a starting point, does clicking that like lead to the About Policies page? If not, please type or paste about:policies in the address bar and press Enter to load it.

This page has two panels; the Active panel is the important one. Usually, that will say "The Enterprise Policies service is inactive." but yours probably lists at least one policy. What do you see?

Hi! Thank you for your reply. What I see:

It has been added by your antivirus/security software to scan your network traffic.