Managing your Product Code is straightforward within the InstallShield IDE: Locate the Code : Open your project and navigate to General Information Product Properties . You will see the Product Code field here. Generate a New One
Registry paths and Windows Installer queries are case-sensitive regarding GUID formatting. Always use uppercase letters for hexadecimal digits inside the brackets.
The Product Code dictates how Windows Installer handles your package: Major Upgrades installshield product code
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The Package Code is part of the Summary Information Stream of the .msi database itself. It is not a property the installer uses at runtime, but the Windows Installer uses it to enforce a crucial rule: any two .msi databases with identical Package Codes must have identical contents. The rule of thumb is to always change the Package Code for every build you produce. By default, InstallShield can be configured to automatically generate a new Package Code each time you build your release to ensure no two versions of your package are ever mistaken for one another. Managing your Product Code is straightforward within the
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: If you change the Product Code, Windows treats the new installer as a different product. This is essential for performing a Major Upgrade Always use uppercase letters for hexadecimal digits inside
When a user opens (or Add/Remove Programs ) and clicks Repair , Windows looks up the Product Code. It fetches the cached installation metadata to verify and restore missing or corrupted files. 3. Uninstallation
To master the , you must distinguish it from two other critical GUIDs. Confusing these is the #1 cause of deployment failures.