title: Extension host terminated unexpectedly with error code 3221225477 Signal: null
body: <pre><code>PS D:\&gt; install npm
  install : The term 'install' is not recognized as the name of a cmdlet, function, script file, or operable program.
  Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
  At line:1 char:1
  + install npm
  + ~~~~~~~
      + CategoryInfo          : ObjectNotFound: (install:String) [], CommandNotFoundException
      + FullyQualifiedErrorId : CommandNotFoundException
  </code></pre>
  
  <p>When trying to install npm in vscode version VSCodeSetup-x64-1.17.2 in windows 10 OS, I am getting the error.</p>
  
  <p>Error Code from debugger is as below</p>
  
  <pre><code>3221225477  Signal:  null
  e._onExtensionHostCrashed @ /C:/Program Files/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:29
  /C:/Program Files/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:28 Extension host terminated unexpectedly.
  e.doShow @ /C:/Program Files/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:28
  
  C:/Program Files/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:28 Extension host terminated unexpectedly.
  e.doShow @ /C:/Program Files/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:28
  </code></pre>
  
  <p>Please advise how to resolve this error.</p>
  
  <p>Thanks and Regards
  Vijay</p>