Failed to open XML file C:\windows\Syswow64\inetsrv\config\applicationHost.config, System Error: -2147024786

I want to write on this error simply because recently a number of calls have come in concerning it. 

Failed to Open XML file c:\Windows\SysWOW64\inetsrv\config\applicationHost.config, system error: -2147024786

During the installation of SELECTServer, this message will appear when the 64 bit version of SELECTServer is installed on a 32 bit operating system or if the 32 bit version of SELECTServer is installed on a 64 bit operating system

To remedy this error, please install the bit sized version of SELECTServer which corresponds with your operating system bit size.

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