This issue may occur if one or more of the following conditions are true,
1- The connection to the server requires a certification authority (CA).
2- You have not trusted the certification authority at the root.
3- The certificate may be invalid or revoked.
4- The certificate does not match the name of the site.
To resolve the issue, read the following link,
Marked as answer byFeroz syedMonday, December 26, 2011 5:11 AM
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