Question

nodejs安装成功，但是npm -v报错

npm -v
Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_global'
TypeError: Cannot read property 'get' of undefined
at errorHandler (C:\Program Files\nodejs\node_modules\npm\lib\utils\error-handler.js:205:18)
at C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js:83:20
at cb (C:\Program Files\nodejs\node_modules\npm\lib\npm.js:224:22)
at C:\Program Files\nodejs\node_modules\npm\lib\npm.js:262:24
at C:\Program Files\nodejs\node_modules\npm\lib\config\core.js:81:7
at Array.forEach (<anonymous>)
at C:\Program Files\nodejs\node_modules\npm\lib\config\core.js:80:13
at f (C:\Program Files\nodejs\node_modules\npm\node_modules\once\once.js:25:25)
at afterExtras (C:\Program Files\nodejs\node_modules\npm\lib\config\core.js:178:20)
at C:\Program Files\nodejs\node_modules\npm\node_modules\mkdirp\index.js:47:53
at C:\Program Files\nodejs\node_modules\npm\node_modules\graceful-fs\polyfills.js:284:29
at FSReqWrap.oncomplete (fs.js:152:21)

Answer 1

12npm cache cleannpm install -g forever
在把安装出错的消息贴上来