title: Capture errors during Silent Install NSIS?
body: <p>For NSIS installer with UI, we can see the error as a popup while doing the installation.<br/>
  <a href="https://i.stack.imgur.com/cpbmU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cpbmU.png" alt="enter image description here" /></a></p>
  <p>But how about Silent install. How do we know if an error happened during silent install ? Is there an error handler that we can make use of ?</p>