Hi WJ2000; I have a little question you might have the answer. I've been using amibroker 5.00.1 following your staff. the Installation was perfect and running 'normally'. I use it solely for system development. It makes mistakes recently: -in both menu setting and use [applystop] in the script, the N-bar exit doesn't work as expected. for example, with 5 bar exit I saw repeatedly 8-12 bars in the output list. -the entry date matches nicely, but exit date has about ~25% mistakes when manually check with the chart. Do you have any idea about what's wrong? a zillion thanks for help, you've already saved me $$$!