http://www.xpmediacentre.com.au/community/other-hardware-windows-7/37774-how-get-built-mac-mini-ir-receiver-work-properly.html

Why did you post this here?

OK, so I perhaps got you to read my little How-To under slightly false pretenses, but hopefully I won't have completely wasted your time. This is my attempt to put a 100% MS compatible IR Receiver completely inside the Mini, without damaging/modding the Mini at all.

It was a complete waste of time.