I'm still not exactly sure how to solve the problem but re-installing Xcode 3.2.4 did the trick for me. Best –f -- View this message in context: http://mono.1490590.n4.nabble.com/ibtool-seems-to-be-gone-after-update-tp3055735p3060402.html Sent from the Mono - OSX mailing list archive at Nabble.com.