title: internal/modules/cjs/loader.js:584 issue
body: <p>I got a problem when I input any npm cmd, it says </p>
  
  <p>internal/modules/cjs/loader.js:584</p>
  
  <p>Operating System: Windows 10 64bit</p>
  
  <p>What shall I do to solve this issue?</p>
  
  <pre><code>internal/modules/cjs/loader.js:584
      throw err;
      ^
  
  Error: Cannot find module 'E:\FED\node_modules\npm\bin\npm-cli.js'
      at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)
      at Function.Module._load (internal/modules/cjs/loader.js:508:25)
      at Function.Module.runMain (internal/modules/cjs/loader.js:754:12)
      at startup (internal/bootstrap/node.js:283:19)
      at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
  </code></pre>