Profiler Problems in Flex!

After reading an example chapter from Training from the Source : Profiling Flex Applications on InsideRIA I thought ooo! I like using the profiler but i didnt know you could do that! So away I went and opend up one of my apps and clicked Profile.... O no whats going on? No Profiler prompt just straight into the application

Socket closed.
Socket closed.
Socket closed.
Flex Profiler No activity 60 seconds after connection.

and then quiet