will be performed against 127.0.0.1 on ports 21,22,23,25,80,139,445,1433,3306,5432,6881

Ensure that you some of these services open (ssh and mysql are best). Banner grab

will take a really long time - you will normally see some results within 5-6 mins

Refer to http://bindshell.net/papers/ftppasv for full details of how this works.