title: How install the ClosedXML NuGet
body: <p>I'm trying to install ClosedXML NuGet in an ASP / VB.NET project that uses .NET Framework 4.0, and I'm getting the following error:</p>
  
  <p><a href="https://i.stack.imgur.com/5lfMU.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5lfMU.jpg" alt="enter image description here"></a></p>
  
  <p>What do I need to do for ClosedXML be installed OK in my project?</p>
  
  <p>Thanks in advance,</p>
  
  <p>Marcelo Camarate</p>