Error building PyCall in Windows 10

[stevengj]

If you google the error message "InitializeSecurityContext failed" julia you will find several discussions, e.g. this one:

Problem with curl.exe (Windows) and package installation

4 months after I started this post, and many Windows updates, the problem with curl.exe continues as of Julia version 1.3.1 julia> using Pkg julia> Pkg.add("IJulia") Cloning default registries into `C:\Users\aerde\.julia` Cloning registry from "https://github.com/JuliaRegistries/General.git" Added registry `General` to `C:\Users\aerde\.julia\registries\General` Resolving package versions... Installed VersionParsing ── v1.2.0 Installed SoftGlobalScope ─ v1.0.10 Installed Ze…

TLDR: you have a broken curl on your system.

PS. please quote code and output with backticks.