Quite often with the error page you received, it is between your pc and your server, your server and eBays server. very rarely will everyone get that error.
Try: re-booting your pc.
It is amazing how that can fix things. We get so complacent about shutting down our pc's, and doing necessary maitenance, that we forget that when a computer works, it just tosses everything into the backseat and lets it pile up.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .