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MS Windows https / tls security Error solution:Error sending data: (12175) A security error occurred.

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MS Windows https / tls security Error solution:Error sending data: (12175) A security error occurred.

Some older MS-Windows version doesn’t support newest TLS protocol for winhttp library, so there is an official patch for this at this link:

http://download.microsoft.com/download/0/6/5/0658B1A7-6D2E-474F-BC2C-D69E5B9E9A68/MicrosoftEasyFix51044.msi

The error occurred was: “Error sending data: (12175) A security error occurred.”

Otherwise to test your server protocols, a vary usefull service is: 

https://www.ssllabs.com/ssltest/analyze.html