The Product Code is small but powerful. Get it wrong, and your users might end up with two copies of your software — or none at all. Treat it with the same care as your version number.
But what exactly is it, and why does it matter? installshield product code
Are you ensuring the Product Code remains static for patches and minor updates to prevent "Orphaned" installations? The Product Code is small but powerful
A Product Code must never be reused by a different product. If Product A and Product B share the same code, Windows will treat them as the same application. Installing Product B will likely corrupt the installation of Product A, or worse, Windows might refuse to install Product B entirely, believing it is already present. But what exactly is it, and why does it matter
Patch was built against a Product Code that doesn’t match the target system’s installed Product Code.