When trying to install asciidoc-preview plugin this error pops up:
It seems to be caused because you're trying to install this plugin behind a firewall.
First config git to use always https instead git protocol.
git config --global url."https://".insteadOf git://
git config --global url."https://github.com/".insteadOf git@github.com:
Now, edit the cache.js (hack)
C:\Users\OHW\AppData\Local\atom\app-0.187.0\resources\app\apm\node_modules\npm\lib\cache\add-remote-git.js
Insert on line 39: u = u.replace(/^git/, "https")