Error in autoupdate: The request was aborted: Could not create SSL/TLS secure channel.

[ncc17001]

Background

CKAN Version: 1.22.6

KSP Version:
1.3.1.1891

Operating System:
Windows 10

Have you made any manual changes to your GameData folder (i.e., not via CKAN)?
Fresh install of ksp and CKAN will not work

Affected mods and mod versions:

Problem
------- Every repositry except Mechjeb dev 2,
will not open or respond to repeated connection attempts

What steps did you take in CKAN?
cleared chache
removed all repositories and tested one by one
mechjeb is the only one to connect

What did you expect to happen?
repositorys to connect to
ckan and import mod lists

What happened instead?
Error in autoupdate:
The request was aborted: Could not create SSL/TLS secure channel.

Screenshots:

CKAN error codes (if applicable):
Error in autoupdate:
The request was aborted: Could not create SSL/TLS secure channel.

[HebaruSan]

GitHub's having some kind of a conniption. The first report was KSP-CKAN/CKAN#2293, please go there if you want to follow this issue.