title: How resolve HTTP Error 500.19 on IIS 8.5
body: <p>after update .net framework 4.5 to 4.5.2 in visual studio solution.. then my hosted web site/api stop working.  </p>
  
  <p>it is giving me below mention handler error.<a href="https://i.stack.imgur.com/wBtUK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wBtUK.png" alt="enter image description here"></a></p>