If an installation or uninstallation is failing, generating a log file using the Product Code helps isolate the source of the issue:
Never change a Product Code mid-release. Once a version is "in the wild," that GUID is locked to that version forever.
stayed late, the office humming with the sound of server fans. He cracked open the .ism project file. To the uninitiated, an InstallShield project is a labyrinth. To , it was a map.
What are you using (Basic MSI, InstallScript, or Advanced UI)?
A company releases a security patch. They keep the same Product Code but change some files. The patch installs fine, but when the user tries to uninstall the original application, Windows sees the same Product Code and removes the patched files too. Misunderstanding that the Product Code is the master key for uninstall. installshield product code
Last updated: October 2025. InstallShield 2023 R2 and later.
To master the , you must distinguish it from two other critical GUIDs. Confusing these is the #1 cause of deployment failures.
If you want, I can:
If you are an IT administrator or user trying to find the Product Code of an already installed application, you can use the Windows Registry or PowerShell. Method 1: Using Windows PowerShell If an installation or uninstallation is failing, generating
Changing the Product Code is straightforward, but the wizard hides some traps. Follow these steps exactly.
The upgrade went live that afternoon. Thousands of servers updated silently, and not a single user noticed the 38 characters that had nearly brought the company to a standstill.
InstallShield projects utilize three distinct GUIDs. Mixing them up can break your installation logic. Changing Frequency Changes with every major version release. Identifies a specific product release version. Upgrade Code Never changes across the lifetime of the software.
Never manually edit the Product Code in the MSI file outside InstallShield without regenerating Package Code as well. He cracked open the
"In deployment, your code is your identity. Change it too often, and you’re a stranger. Never change it, and you’re a ghost. Get it just right, and nobody will ever know you were here."
In the main panel, look under the category. Locate the Product Code property to view or copy the GUID. 2. Using Orca MSI Editor If you only have the compiled .msi file:
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\
Use build scripts to pass new property values dynamically during compile time. Troubleshooting Common Product Code Issues