Why does my facebook display this message whenever I try to log in?

Question

Yahoo does it too actually, I can't get to my profile page.

What's going on?

Cannot Complete Request

login.facebook.com uses an invalid security certificate.

The certificate will not be valid until 13/12/2006 12:31 AM.

(Error code: sec_error_expired_certificate)

Let's try to troubleshoot the problem:

* Check Internet connection: Your Internet connection seems to be working.

* Try to perform some diagnostic tests:

General troubleshooting tips:

Additional information about this problem or error is currently unavailable.

Answer 1

maybe its ur computer or maybe your logins try something

Answer 2

Get CCleaner (http://filehippo.com/download_ccleaner/) and close your browser before running it.

This will clear out your cookies and cache which could be holding the invalid (outdated) certificate. Cleaning this should fix the issue.