NPM install failed on Windows for running grunt

Question

I was trying to install grunt on Windows 7. I completed the npm install -g grunt-cli without any error. But when I tried npm install in the root directory of my project I got the following errors:

I'm working with the latest Node.js version. I am running the command prompt as administrator. Any suggestions please? Thank you.

Answer 1

The npm registry is down at the moment. Follow the issue here: https://github.com/isaacs/npm/issues/4126

Answer 2

你需要先在你的机器上安装phantomjs （一个无头浏览器，它将用于qunit测试）