Could be...

IDK. I expect a warning from the equifax site, and the newegg site. I don't get one at either site.

So if I go to equifax.com I expect to get a warning, but I didn't. Do I have to join FF Monitor first in order for that to work? I wouldn't think so...

Latest FF will not load Google Voice, in case anyone is interested:
Google voice not work with new update | Firefox Support Forum | Mozilla Support
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EDIT: In about:config in FF, changing...

I was going to suggest trying to start it in safemode, but I'm a little late to the party. :(

Oh yeah, as long as you're in a private window. I like it!

Yes, but a lot of people didn't even know what happened, and let Mozilla perform the upgrade blindly. Thus, the problems I was seeing on a LOT of systems.

Hi Mike.
Not that this is your issue, but I wanted to point this out, in case it may help, or someone else may find it useful:

I have seen several systems, that originally had FF 32-bit (earlier...

Thanks to that glitch, I figured out how to manually install add-ons! ;)