QT Installer Framework Offline Update - how?
I've been able to create an installer for my software. However, I can't figure out how to create another installer that could update previous installation. I have updated component versions, software version and release dates, but whenever I run second installation over the folder with pre-installed software - I'm getting 'The folder you selected already exists and contains an installation. Chose different target for installation'.
Any hint on how to update an existing installation using QT installer Framework would be very welcome !