Error: "EngageOne Designer - Error 1721. There is a problem with this Windows Installer package"

Software affected: EngageOne Designer
Operating System: Windows

Issue

During the EngageOne Designer install or uninstall, the following error occurs: "EngageOne Designer - Error 1721.  There is a problem with this Windows Installer package".

Cause

There is a partial install or uninstall that the Microsoft Installer software cannot resolved.

Resolution

UPDATED: January 14, 2019
The Microsoft Fix-it program resolves the stuck install/uninstall:
http://support.microsoft.com/mats/program_install_and_uninstall/