In Advanced Installer 16.9, this is how the Digital Signature list is shown (click the URL link below for image),
https://www.dropbox.com/s/hyrpduriz54zf ... 2.png?dl=0
But in Advanced Installer 18.4, it does not show everything. It only shows one like in the URL link below,
https://www.dropbox.com/s/1i0cmsc1c3uxc ... 2.png?dl=0
Why does it not show all?