yarn global install jekyll-gen on Windows 10 x64

[lgh06]

Do you want to request a feature or report a bug?
bug
What is the current behavior?
install a package globally on windows.
If the current behavior is a bug, please provide the steps to reproduce.
npm i -g yarn.yarn installed successfully.
yarn global add jekyll-gen,reported error.
What is the expected behavior?

Please mention your node.js, yarn and operating system version.
nodejs 4.4.7 npm 2.15.8,windows 10 x64 professional.

log:
Arguments:
C:\Program Files\nodejs\node.exe C:\Users\DELL\AppData\Roaming\npm\node_modules\yarn\bin\yarn.js global add jekyll-gen

PATH:
C:\Users\DELL\bin;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\local\bin;C:\Program Files\Git\usr\bin;C:\Program Files\Git\usr\bin;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Users\DELL\bin;C:\Python27;C:\Python27\Scripts;C:\tools\ruby23\bin;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files\Git\cmd;C:\Program Files\nodejs;D:\Program Files\TortoiseSVN\bin;C:\Program Files (x86)\WinSCP;D:\Program Files\ctags58;D:\xampp\php;D:\xampp\mysql\bin;C:\ProgramData\chocolatey\bin;C:\tools\DevKit2\bin;C:\ProgramData\ComposerSetup\bin;C:\Users\DELL\AppData\Roaming\npm;C:\Users\DELL\AppData\Roaming\Composer\vendor\bin;C:\Program Files\Git\usr\bin\vendor_perl;C:\Program Files\Git\usr\bin\core_perl

Yarn version:
0.16.1

Node version:
4.4.7

Platform:
win32 x64

npm manifest:
{
"dependencies": {
"jekyll-gen": "^1.0.7"
}
}

yarn manifest:
No manifest

bower manifest:
No manifest

Lockfile:

THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.

yarn lockfile v1

commander@^2.9.0:
version "2.9.0"
resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
dependencies:
graceful-readlink ">= 1.0.0"

"graceful-readlink@>= 1.0.0":
version "1.0.1"
resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"

jekyll-gen:
version "1.0.7"
resolved "https://registry.yarnpkg.com/jekyll-gen/-/jekyll-gen-1.0.7.tgz#ea95ba5bf82f589dcbd54e75ddd89851078360fe"
dependencies:
commander "^2.9.0"
moment "^2.15.2"

moment@^2.15.2:
version "2.15.2"
resolved "https://registry.yarnpkg.com/moment/-/moment-2.15.2.tgz#1bfdedf6a6e345f322fe956d5df5bd08a8ce84dc"

Trace:
Error: EPERM: operation not permitted, open 'C:\Program Files\nodejs\jg.cmd'
at Error (native)

[samccone]

dup #992

[lgh06]

worked for me.thx.