Is there mixed content on the page?

• https://support.mozilla.org/en-US/kb/mixed-content-blocking-firefox

You can check the Network Monitor to see if content is loaded via http..

• https://firefox-source-docs.mozilla.org/devtools-user/network_monitor/

If necessary use "Ctrl+F5" or "Ctrl+Shift+R" (Mac: Command+Shift+R) to reload the page and bypass the cache to generate a fresh log.

There is no warning when I go to https://www.paypal.com/us/home. Are you sure you're going to the real site?

I've tried using your address and another poster's suggestions to no avail. Microsoft Edge gets me there with no issues so I'll use that browser. Thanks anyway.

Can you attach a screenshot that includes the user interface (Navigation Toolbar)?

• https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
• use a compressed image type like PNG or JPG to save the screenshot

Sorry, I can't even get a screen shot to send to you. Don't waste anymore time on this. I had hoped it would be an easy fix but this is taking way more computer/internet knowledge than I have. I can make it work with MS Edge so I'll use that.

If you get a moment to try again:

A typical error page will have an "Advanced" button that provides more technical information about the error. For example, it might mention that the certificate is for a different site, or that it expired, etc. Often there is a code like SEC_ERROR_SOMETHING. The following article has more information about those codes:

How to troubleshoot security error codes on secure websites

Because this could be a signal that something is wrong on your computer, we hope you do find time to investigate further.

Does the page load normally, but do you get the padlock icon with a strike through that shows this message in a tooltip if you hover the icon or does the page fails to load at all ?

Does it still happen in Troubleshoot Mode?