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[JeffWright]

I'm just wanting to understand some of the registry entries that InstallShield (MSI?) creates for installed products. I notice the following registry nodes get created:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\<? GUID>

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\<Product GUID>

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\InstallShield_<Product GUID>

I understand that "S-1-5-18" is the SID for "Local System" in the first node, and I have identified the "Product GUID" in the other two.

What I don't know is: What is that GUID in the first node? I don't think it's a Package GUID, Product GUID, Upgrade GUID, Component GUID, or Merge Module GUID.

[BugKiller]

Hi Jeff.

>>
What I don't know is: What is that GUID in the first node? I don't think it's a Package GUID, Product GUID, Upgrade GUID, Component GUID, or Merge Module GUID.
<<

Yes, it is very interessting for me too!