Please help me with this> Network Error connection refused vodlocker.com80

It seems that you have a malware:
https://productforums.google.com/forum/#!topic/chrome/sDeLmTA9d2M
https://support.mozilla.org/en-US/questions/978722
http://community.freshbooks.com/support/how-do-i-delete-sendori-from-my-computer/

Thank you will try these

Is you time/date/clock correct on your computer you are running Opera on that is constantly showing this certificate ?.

Yes, they are correct

Every time I click on something Security Issue warning boxes keep popping up. Even when I check the box remember my choice for this certificate.Can someone please help make these stop they are so frustrating! Here is what one of them look like. Thanks

Security Issue

Warning Security Details

      Certificate errors:

        The certificate for "www.yahoo.com" is signed by the unknown Certificate Authority "Sendori,Inc."
         It is not possible to verify that this is as a valid certificate

       Certificate summary
          Holder:www.yahoo.com,Yahoo!Inc.
          Issuer: Sendori,Inc
          Expires: 7/3/2015 5:50:00 AM
        Encryption protocol
             256 bit AES (RSA/SHA)
          _  Remember my choice for this certificate
                               APPROVE    REJECT    HELP