Significant new versions (e.g., moving from v1.0 to v2.0).
At runtime, the installer checks this code to determine if the product is already installed on the system.
To manage installations effectively, you must understand how the Product Code differs from other crucial deployment identifiers: installshield product code
Are you in InstallShield or trying to deploy/uninstall an existing app as an IT admin?
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. Significant new versions (e
2. Change the Product Code GUID via the Product Properties view under the main Installation Information/ General Information node. SliQ Invoicing InstallShield Major Upgrade - SliQ Invoice Software
To help tailor more advanced deployment strategies for your project, let me know: Conversely, failing to change the Product Code for
: The name shown to the user during installation.
In the right-hand panel, look down the column for ProductCode . The corresponding value is your GUID. 3. Via the Windows Registry (For Installed Software)