Error building packages on Windows 7 x64. (Old title GR.jl)

[oheil]

This may be the cure:

Update to enable TLS 1.1 and TLS 1.2 as default secure protocols in WinHTTP...

And see thread:

Git / SSL Errors while installing packages

I have been getting the following error upon installation of any Julia package in all my CI builds for a couple of hours. INFO: Cloning METADATA from https://github.com/JuliaLang/METADATA.jl ERROR: GitError(Code:ERROR, Class:Net, SSL error: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version) Is this a temporary service / network outage or something that needs solving?