Digital Signature error when downloading and installing IMS Map 360

Problem: Some users have reported seeing the following error messages when trying to download and install IMS Map 360.

Solution: Please install any pending Windows Updates, then try downloading and installing IMS again.

Error 1 - When downloading the install file web browser error:

Error 2 - When trying to open the install file after it has downloaded:

Error 3 - During the installation: