The certificate received indicates that this computer is infected with Sirefef.gen!C.
Sirefef.gen!C is a computer virus that intercepts secure web connections and can steal passwords and other sensitive data.
Chrome recognises this virus, but it affects all software on the computer. Other browsers and software may continue to work but they are also affected and rendered insecure.
Microsoft Security Essentials can reportedly remove this virus. When the virus is removed, the warnings in Chrome will stop.
Microsoft Security Essentials is freely available from Microsoft at http://windows.microsoft.com/en-US/windows/security-essentials-download
Edited by jgweed, 09 April 2013 - 06:49 AM.