its you. you need to go into your browser history, hit clear cache, select all options except saved passwords, hit ok. Your browser is storing an outdated copy of the site's security certs is all
Did all that yesterday and again today. Still have the same issues. It took Five attempts to log in on my I pad. And the pics were posted from my phone. Took at least three attempts to post them.
Funny this is the only place I have problems with.