There is a problem with this website's security certificate...?

Question

My computer says:

There is a problem with this website's security certificate.

The security certificate presented by this website has expired or is not yet valid.

Security certificate problems may indicate an attempt to fool you or intercept any data you send to the server.

We recommend that you close this webpage and do not continue to this website.

... whenever I try to go to certain websites... like T-mobile.com, so I know it's not THEM...

Why is it doing this?

It's the computer at work...

Answer 1

Problems with security certificates are usually

resolved by the following.............

Right click the clock....click on adjust time/date

and make sure the Day ...Date...Month....Year

are all correct....also check your in right time zone