Wasn't not coming up the desired goal?
If the exclusion works in "Exclusion Prefix" there must be something odd about your robots.txt file since that's where the robots.txt rules are placed during the walk. Without being able to fetch it from here it's hard to say what.
In your installation directory there should be a program called "geturl.exe". From a command prompt run
geturl
http://cleohsenet01.napa.ad.etn.com/robots.txt
and paste the full results here.