There are two settings for WinHttp Proxy settings for a 64 Bit OS. One applies to the 64 bit environment and one for the 32 bit environment. You can use netsh for Windows 2008, Windows 7 and later OSes and proxycfg.exe for earlier OSes. If you are confused...

Understanding Problems with MS10-049, KB 980436 and IETF RFC5746 Microsoft released a Security update MS10-049: Vulnerabilities in SChannel could allow remote code execution. This update patches vulnerabilities in SChannel (TLS) that can be exploited...