For the last few days whenever I try and sign in I get a message that says
"Secure Connection Fail
hdchina uses an invalid security certificate.
The certificate is not trusted because the issuer certificate is unknown.
(Error code: sec_error_unknown_issu
* This could be a problem with the server's configuration, or it could be someone trying to impersonate the server.
* If you have connected to this server successfully in the past, the error may be temporary, and you can try again later
Or you can add an exception…"