used firefox forever but when updated to new version, it will not get aarp site now?

Please provide a public link (no password) that we can check out. No Personal Information Please !

gives me "404 not found".

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-firefox-did-not-connect

https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors

What do the security warning codes mean

Does the full URL work if you click it in the history suggestions in the address bar drop-down, or in Google search results, or here:

https://www.aarp.org/

Is the Bookmarks Toolbar missing, or is it blank? General article on the Bookmarks Toolbar: Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window.

also doesn't show my bookmarks on tool bar?

Customize Firefox controls, buttons and toolbars {web link}

Type about:customizing<enter> in the address bar.

Note: about:customizing is no longer present in Firefox v47+ releases.

• Press Alt or F10 to bring up the Menu Bar. Then View > Toolbars > Bookmarks Toolbar.
• Right-click on a blank spot in the toolbar and select Bookmarks Toolbar.

Also;

• Right-click on a blank spot on the toolbar and select Customize Toolbar.
  Look for Show / Hide Toolbars or just Toolbars at the bottom left.

thank you so much. my bookmarks are back. now I'm going to see about the other problem. your solutions were so easy for old ladies like me to follow. thank you again.

this is what shows: Reference ID: 78df5290-34e8-11ec-bec9-0a403de5840d. also the Url changes from just arrp.org to: https://secure.aarp.org/applications/user/auth?response_type=code&client_id=0oa3rtsa6ahTQReOG2p7&redirect_uri=https://www.aarp.org/aarp/auth/callback&state=https%3A%2F%2Fwww.aarp.org%2F&scope=bui+bmi