Cara Mengatasi Pesan This Connection is Untrusted

This Connection is Untrusted , Ketika saya ingin login gmail muncul pesan "This Connection is Untrusted" langsung panik seketika, dan saya langsung mencoba menggunakan browser lain namun tetap muncul pesan "This Connection is Untrusted" ketika ingin login. Langsung saja saya translate pesan error tersebut begini bunyi pesannya versi bahasa inggris :

"You have asked Firefox to connect
securely to accounts.google.com, but we can't confirm that your connection is secure.
          Normally, when you try to connect securely,
sites will present trusted identification to prove that you are
going to the right place. However, this site's identity can't be verified.
       
          What Should I Do?
         
            If you usually connect to
this site without problems, this error could mean that someone is
trying to impersonate the site, and you shouldn't continue.

        accounts.google.com uses an invalid security certificate.

The certificate is not trusted because the issuer certificate has expired.
The certificate will not be valid until 7/20/2011 5:00 PM. The current time is 10/9/2002 8:14 AM.
(Error code: sec_error_expired_issuer_certificate) "

perhatikan tulisan yang bercetak tebal berikut The certificate will not be valid until 7/20/2011 5:00 PM. The current time is 10/9/2002 8:14 AM.
Ternyata maksud pesan tersebut adalah waktu dan tanggal di komputer kita tidak sesuai dengan settingan waktu di mozilla firefox.

SOLUSI
- Ganti waktu dan tanggal pada komputer anda dengan waktu dan tanggal SEKARANG.

- Hati-hati ketika mengganti baterai CMOS pada komputer anda jangan sampai lupa untuk mensetting kembali jam dan tanggal dengan waktu sekarang. 

Semoga Bermanfaat...