title: Inno Setup - check if a program is installed? (the program is Microsoft Report Viewer Redistributable 2008)
body: <p>I would like to know how to have the inno setup installer will detect if MS RV 2008 is installed, if it is because nothing happens, and if not installed and open it. exe in the installer (I already I have this code with <code>ShellExec</code>).</p>