I've just finished 3 day download (with breaks) of Server 2008 R2, and am very eager to install it on my dev machine (my laptop, an HP Pavilion with a 2xTurion 64 cpu). If I mount the ISO and try and run Setup.exe, I get told Setup.exe is not a valid Win32 application. I tried burning the ISO to DVD (as files), but my machine wont't boot from DVD. If I re-insert the DVD, so that autorun comes into play, I get told something like "the setup is not valid for this version of Windows"

Any suggestions as to what I might try, either to diagnose the problem, or to avoid it?