Why can't I access the Internet since Firefox updated?

When I went to open Firefox on may laptop I got a box that said - Firefox will start in a minute after it finishes updating (not verbatim). After it opened I can't access the Internet through it or use any of my quick links. It just keeps refreshing to the Firefox homepage.

Okay, lets start over. What is the system you are running?
Win, Mac, Linux . . . . . . Version
What Firefox?
Are other programs accessing the web?
Some problems occurs when your Internet security program was set
to trust the previous version of Firefox, but no longer recognizes your
updated version as trusted. Now how to fix the problem: To allow
Firefox to connect to the Internet again;
* Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
* Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see
'''[https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet Configure firewalls so that Firefox can access the Internet.]''' {web link}

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