Issue in custom action in install shield 2010

I want to make a script that open port in installation and close it in un-installation I made the both scripts but every time script for open port runs in install and in uninstall so after uninstalling i have 2 rules for open that port and close port never ru开发者_运维知识库n

I have attached screen shots about my configuration in this custom actions

http://community.flexerasoftware.com/attachment.php?attachmentid=9100&stc=1&d=1307473659

http://community.flexerasoftware.com/attachment.php?attachmentid=9101&stc=1&d=1307473673

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Use below conditions NOT Installed to run only during install. REMOVE="ALL" to run only during uninstall.