npm install失败，异常原因是module.js:471 throw err; ^ Error: Cannot find module 请问怎么修复npm

Question

npm -v也会出现问题，请问这个怎么修复，谢谢。

module.js:471
    throw err;
    ^

Error: Cannot find module '../lib/utils/unsupported.js'
    at Function.Module._resolveFilename (module.js:469:15)
    at Function.Module._load (module.js:417:25)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at /usr/local/lib/node_modules/npm/bin/npm-cli.js:19:21
    at Object.<anonymous> (/usr/local/lib/node_modules/npm/bin/npm-cli.js:92:3)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)

Answer 1

重装一下node就好了。

Answer 2

试试npm init，生成不了package.json，应该是你的node有问题

Answer 3

删了重装嘛