title: How to solve this error: "internal/modules/cjs/loader.js:638 throw err; ^"
body: <p>I want to run my Vue.js using npm on localhost:8080 but they give me this error. Is there a way to solve this issue?</p>
  <p>This error only occurs when I tried to install <strong>node_modules</strong> and <strong>package-lock.json</strong> in my Vue folder containing <strong>.babelrc</strong>, <strong>package.json</strong> and <strong>webpack.config.js</strong>. For my other Vue folders, I still can run my localhost:8080 by using the same method for all folders which is</p>
  <blockquote>
  <p>npm install</p>
  <p>npm run dev</p>
  </blockquote>
  <p>The code below is the Error.</p>
  <pre><code>The system cannot find the path specified.
  internal/modules/cjs/loader.js:638
      throw err;
      ^
  
  Error: Cannot find module 'C:\Users\acer\Documents\VueJs\cross-env\dist\bin\cross-env.js'
      at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15)
      at Function.Module._load (internal/modules/cjs/loader.js:562:25)
      at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
      at startup (internal/bootstrap/node.js:283:19)
      at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! vue-cli@ dev: `cross-env NODE_ENV=development webpack-dev-server --open --inline --hot`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the vue-cli@ dev script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
  
  npm ERR! A complete log of this run can be found in:
  npm ERR!     C:\Users\acer\AppData\Roaming\npm-cache\_logs\2019-08-23T06_50_37_455Z-debug.log
  </code></pre>