title: Yeoman Installing successfully after installation, it shows command not error
body: <p>I had installed yeoman succesfully, when i execute yo in cmd,it is showing below error.</p>
  
  <p><a href="https://i.stack.imgur.com/zG8g7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zG8g7.png" alt="Yeoman Error"></a></p>
  
  <p>i had cleared the cache of npm, i unistalled this and reinstalled yo but, no effects Please help me</p>