title: C# .NET application built in Windows Server 2008 R2 64bit doesn't run in Windows 7 32bit
body: <p>I have built an application in Visual Studio 2012 Express, on C# .NET 4.5 on Windows Server 2008R2 64 bit. When I compiled, I made sure in build properties, platform target is set to x86.</p>
  
  <p>When I copy the files from Release folder to my Windows 7 32, it crashes.</p>
  
  <p>Here is error my system is throwing:</p>
  
  <pre><code>Problem signature:
  Problem Event Name: CLR20r3
  Problem Signature 01:   fileupload.exe
  Problem Signature 02:   1.0.0.0
  Problem Signature 03:   53b63c5a
  Problem Signature 04:   FileUpload
  Problem Signature 05:   1.0.0.0
  Problem Signature 06:   53b63c5a
  Problem Signature 07:   c
  Problem Signature 08:   6
  Problem Signature 09:   System.IO.FileNotFoundException
  OS Version: 6.1.7601.2.1.0.256.48
  Locale ID:  1033
  Additional Information 1:   0a9e
  Additional Information 2:   0a9e372d3b4ad19135b953a78882e789
  Additional Information 3:   0a9e
  Additional Information 4:   0a9e372d3b4ad19135b953a78882e789
  </code></pre>