I wonder, since two of us are experiencing the same thing, whether it’s something at the Clickbank end. I just tried again having had my Mac switched off since yesterday as I have been with family. Same thing. Refresh, refresh, refresh and I can’t do anything with the page.
I’d like to refer you to this page on Mozilla – https://support.mozilla.org/en-US/questions/1293329. I followed the instructions for going into about:config and changing accessibility.blockautorefresh to true – no joy. Not sure what to do next as Safari is also playing exactly the same game. I am using the Mac’s internal security systems which I have always found to be excellent. I’m on one of the 2020 Macs and didn’t have this issue on my old 2013 Mac.
Finally downloaded Chrome as a completely fresh install, no additional tabs and not logged into Google. Still no joy.