MAKEMSI quickly and reliably creates MSI files in a non-programmatic way
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\->MAKEMSI Installs...->Installed Shortcuts and Options->GUID Conversion

GUID Conversion

This option is available on the MAKEMSI "start" menu.

The shortcut allows you to easily convert between MSI formatted GUIDs and a "mangled" form which is used internally by Windows Installer (in the registry etc). The MSI GUID "{A638BC3B-72C3-4EEF-90DD-0683232E396C}" has a mangled form of "B3CB836A3C27FEE409DD603832E293C6".

You are prompted for a GUID, you can supply one in either format and pressing ENTER will convert and display the result. Supply an empty string or press "Cancel" to close the dialog.

An example:

See the "Registry Usage" section for other useful information.

I believe further encoded versions of these "mangled" GUIDS (for "ProductCode" and component codes) are used in the "repair" strings known as "Darwin Descriptors".


Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.Please email me any feedback, additional information or corrections.
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Sunday August 13 2017 at 2:39pm
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Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.