Installshield Product Code Page

Get-CimInstance Win32_Product | Select-Object Name, IdentifyingNumber Use code with caution. Method 2: Searching the Windows Registry

This error happens when you try to install a new build that shares the exact same Product Code and Product Version as an existing installation, but has a different Package Code.

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall installshield product code

Product: MyApp Upgrade Code: MY-UPGRADE-CODE (Never changes)

: A brief text explaining what the feature includes. Never attempt to invent your own GUID or

Never attempt to invent your own GUID or manually type one from memory. Rely on the "Generate a new GUID" button within InstallShield or a trusted external tool like the guidgen.exe utility that comes with Microsoft Visual Studio to guarantee uniqueness and proper formatting.

Most developers ignore them—until something breaks. Why does Windows say the software is already installed? Why did your "upgrade" install a second copy instead of replacing the old one? Why does Windows say the software is already installed

Maintain a simple text file in your source control:

The primary executable or product architecture changes (e.g., transitioning from a 32-bit package to a native 64-bit package). Command-Line Implementations Using the Product Code

There are times you need to extract a Product Code from an already-built installer executable ( .exe ) without running a full installation.