Speknoù,
You have to SHA-2 (or better "dual" SHA-1/SHA-2) code-sign your installers (and to be on the safe side, your application files).
Microsoft "disabled" SHA-1 in January 2016.
http://www.lindersoft.com/forums/sho...ion-Here-we-go
http://www.lindersoft.com/forums/showthread.php?46846
http://www.lindersoft.com/forums/sho...5074-and-later
SetupBuilder 10 supports SHA-2 and dual SHA-1/SHA-2 code-signing.
Does this help?
Friedrich