<<on mine I went to "Settings" and unchecked the "Run BBC iPlayer on computer startup" button>>
I did that, Nev, and still it runs on start up. :¬/ I found this, though it relates to windows:
http://www.itauthor.com/articles/preventing-bbc-iplayer-running-all-the-time...
It illustrates the difficulties nicely however...
Bev