For Lewis...
I really don't know if you are genuinely unaware of SeaMonkey or whatever,
so here's the link for it...
>
https://seamonkey-project.org/
It's an all-in-one program...
Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing made simple—all your Internet needs in one application.
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Leon said...
"....I turn it on and try to access SeaMonkey and a little person comes up with a stop sing saying this site is entrusted..."
Surely, you mean the site is UN-trusted.
What "site" are you trying to load?
What does the sign say exactly?
Anyway...
What security program/s are you running?
Did it/they happen to auto-update lately?
Possibly that site may have an EXPIRED CERTIFICATE & SeaMonkey
will not allow you access to that site.