Hi, On MAC OS X I have a stack with substacks the stack script is start using stack "tScripts" (stack "tScripts" contains all my functions and commands) I place in stack "tScripts" a command on shutdownrequest when I quit from the application menu, the script "shutdownrequest" runs 2 times ???? can you help me ?? Greetings. Yves COPPE yvescoppe at skynet.be