Installshield - Install prerequisite while uninstalling application

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I created an application in Installshield 2012 using the BASIC MSI as a project type.

I have four prerequisites in this setup. All is working fine. But in case I uninstall any of the prerequisites from the control panel and then suppose I am going to uninstall the application at that time it gives me a dialog to install that prerequisite. but at the time of uninstalling the application, I don't want to check for prerequisite.

Please Help me to resolve this thing.

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Was your 2012 project upgraded from previous versions of InstallShield? It sounds like you have LaunchConditions that don't have "or Installed" appended to them and they are reevaluating. New Basic MSI projects have a condition on LaunchConditions in the Install Sequences to prevent them from evaluating during an uninstall but it doesn't sound like this is the case for you.