. Whenever you get a message / popup that software / files need to be updated;

DO NOT USE ANY OF THE PROVIDED LINKS

While this may be a legitimate message, it could also be Malware or a Virus. Any time you want or need to check for upgrades, go to the web site of the True Owner of the program in question. For example, to check out Firefox, go to Mozilla.org. {web link}

You can also report such a site at; Google Report Phishing Page {web link} which is the same when done while on site by going to Help > Report Web Forgery

Help us safeguard Mozilla’s trademarks by reporting misuse {web link}

Is there any way to check on recommended Mozilla updates or security updates? Will Mozilla send an update announcement or just update the browser when you load Firefox?

Firefox will normally download and install updates automatically if you haven't modified the settings in "Tools > Options > Advanced > Updates". You can manually check for updates via "Help > About".

This link will bring you to the Release Notes of the current release:

• https://www.mozilla.org/en-US/firefox/notes/

You can find the full version of the current Firefox release (43.0.3 at this moment) in all languages and all operating systems here:

• https://www.mozilla.org/en-US/firefox/all/