On 10 Sep 2005, at 19:27, Bill Fox wrote: > Anybody know which preference .plist file (or other file for that > matter) in OS X handles the mouse double-click for launching > applications? No; I don't. But if it is a corrupt preference "Preferential Treatment" *may* be able to help. I hear good things about it http://homepage.mac.com/jonn8/as/html/pt.html