Hello Community, I need help with the program "[InnoSetup](http://www.jrsoftware.org/isinfo.php)" what i need is a way to uninstall the previous version of my program insted of just overwriting it. So when the user runs the setup if the program is already installed on there computer they will be asked to unstall it first, then they can install the newer version. Please help... I need a better way to update my programs.

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I have recently written a VB.NET application and I am stuck on the deployment. I can't use the ClickOnce, because the program has to be installed on the machine under program files, therefore, I use InnoSetup. My problem is that the application requires sqlclient and .net 4.0 to be installed, and I am EXTREMELY green to InnoSetup scripts. Does anyone know how to make InnoSetup check to see if they are installed, if not install them without prompting the user? I have searched high and low and can't find a relevent article to my needs. Some are for online downloading, …

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The End.