Create a Setup Project for a 64-bit Windows Service in Visual Studio 2010

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I was having a lot of trouble with this, so I'm going to share it. Visual Studio 2010 setup projects still do not fix the way you create a setup project. The problem is that Visual Studio doesn't add the x64 version of InstallUtilLib.dll to the MSI and so you will receive a BadFormatException error message and the installer will crash and burn.

The workaround is explained here:

https://blogs.msdn.com/b/heaths/archive/2006/02/01/64-bit-managed-custom-actions-with-visual-studio.aspx