when I open Mozilla browser it opens to my recent window as I preferenced, but when I try to read a message or check my mail it usually says "Login expired, login again." When I try to login to my ISP mailbox I get this message sometimes: login.yahoo.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is not trusted. The certificate is only valid for <a id="cert_domain_link" title="gateway.2wire.net">gateway.2wire.net</a> (Error code: sec_error_untrusted_issuer) and my only option is to press "OK". Other times I get a message that says that the server reset itself. It took me 2 weeks to open my mail this last time. How can I bypass this?