I am a user and saw your question. With any secure logins you must have cookies and cache available. If you use incognito for the browser the site service may also see this as a security risk and not allow logins using this mode.
I went in to the Firefox settings. I did a search for cache. In the prompts it indicated cookies and site data. In there I clicked on Manage Data. The cookies listing window popped up. I found the ones labelled bell in their name. I deleted all t...
YES! I also can no longer log in with Firefox. I tried on a number of computers to log in with Firefox. I am forced to use either Chrome or Edge. This bad because Firefox is probably the most popular browser used. From what I read on a Facebook com...