This is not a new version, but a newly packaged download. The Full version is now a ZIP file rather than a self-extracting executable. Upon downloading the “full” version, please use your Windows “zip” tool to extract and then run the SETUP.EXE file.
There appears to be an issue with the emsCharts-signed software.
While we investigate the cause, Windows update or otherwise, if you see these Windows prompts, as long as the publisher says emsCharts, Inc., please click “More Info” then “Run Anyways” to continue your installation.