Remember the golden rule: A clear understanding and careful management of this single GUID will save you and your users from countless hours of installation and upgrade headaches. With this knowledge, you can build InstallShield installers that work exactly as intended, every time.
Locate the property to view or modify its current GUID value. Rules for Changing the Product Code
This guide covers everything you need to know about managing, finding, and automating Product Codes in InstallShield. What is an InstallShield Product Code?
Fixing minor bugs without changing the product version significantly. installshield product code
: Windows checks this code to see if the application is already installed.
You added new features, changed the directory structure, or updated critical DLLs. You must change the Product Code. If you don't, Windows Installer will enter "Maintenance Mode" (Modify/Repair/Remove) instead of installing fresh.
You modified the application version or installer files, but left the Product Code unchanged, and attempted to run it as a fresh install. Remember the golden rule: A clear understanding and
Conversely, failing to change the Product Code for a major upgrade can cause even worse problems. The Windows Installer will see that a product with the same Product Code is already installed. Since it is designed to prevent multiple installations of the same product, the installer will typically launch a maintenance mode for the existing version (allowing you to repair or uninstall it) rather than perform the intended clean upgrade.
A developer releases version 1.0 of "AppX".
In your InstallShield project, the Product Code is set in a central location. You can find it in the of your project, where basic product details like the product name and version number are also configured. Rules for Changing the Product Code This guide
: Either increment the version for a minor upgrade or generate a new Product Code for a major upgrade. To help me tailor this information, let me know:
The Product Code is one of several GUIDs used in an installation. It's crucial to understand the differences between these codes, as they serve distinct purposes.
Version 1.0 (Product Code A ) is installed. You develop Version 2.0. You generate a new Product Code ( B ), keep the same Upgrade Code, and configure an "Upgrade" table. Windows Installer automatically detects A , removes it silently, and installs B . The user sees only one entry in Control Panel.