# Error building PyCall in Windows 10

**URL:** <https://discourse.julialang.org/t/error-building-pycall-in-windows-10/36455>\
**Category:** New to Julia\
**Tags:** question\
**Created:** [March 24, 2020, 5:39pm UTC](https://discourse.julialang.org/t/error-building-pycall-in-windows-10/36455 "2020-03-24T17:39:56Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Post date:** [March 24, 2020, 6:30pm UTC](https://discourse.julialang.org/t/error-building-pycall-in-windows-10/36455/2 "2020-03-24T18:30:56Z")

</div>

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](https://discourse.julialang.org/t/problem-with-curl-exe-windows-and-package-installation/29525/59):
>
> 4 months after I started this post, and many Windows updates, the problem with curl.exe continues as of Julia version 1.3.1 cry 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](https://discourse.julialang.org/t/psa-how-to-quote-code-with-backticks/7530).

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