HttpSendRequest API fails with error -2146893051 how to fix it?

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I have a method in my Windows service that uses WinSock and WinHTTP functions to connect to a remote server via HTTPS connection. This method works fine, except that on some systems (reportedly Windows XP) the HttpSendRequest API fails and GetLastError returns -2146893051, or 0x80090305, or SEC_E_SECPKG_NOT_FOUND, or "The requested security package does not exist."

Posted 19-Jun-14 3:42am

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