How do I remove a product that cannot be uninstalled in the "Add or Remove Programs" list.

Utility

There is a dedicated wizard from Microsoft to help you with this problem and others similar to it. See the details here:

https://support.microsoft.com/en-us/topic/fix-problems-that-block-programs-from-being-installed-or-removed-cca7d1b6-65a9-3d98-426b-e9f927e1eb4d