advanced-installer

Installing .NET Framework

I'm currently updating our software installer and have a few questions about getting the .NET framework installed. What are the installer(s) (.exe or .msi) required to install .NET 2.0 SP2? What are the installer(s) (.exe or .msi) required to install .NET 3.5 SP1? Microsoft's download pages are slightly ambiguous. I belive I need .Mi...

What are ProductCode & UpgradeCode & GUID? How to detect if certain application/library is already installed on the user machine?

I've already gone through: http://stackoverflow.com/questions/211192/check-if-the-application-is-already-installed http://stackoverflow.com/questions/488717/detecting-if-a-program-is-already-installed-with-nsis http://nsis.sourceforge.net/Add_uninstall_information_to_Add/Remove_Programs My questions are little more in dep...