For Version 1.4-dev-r12383M-trunk (DarwinX8664): (require :cocoa-application) There appears to be a missing paren in cocoa-application.lisp. This line: (defvar *cocoa-application-libraries* #+cocotron '("ccl:cocotron;Foundation'.1'.0'.dll" "ccl:cocotron;AppKit'.1'. 0'.dll" #-cocotron nil) -- Glen