Dee,

> In the Setup Requirements - Requirements tab, I have OS Version Checking
> checked. I have Windows Server 2003 thru Windows Server 2016 checked.
> I have a client when they run my install they get an invalid operating
> system message.
> When I check %WINVER%, it is coming up with 65536. When I check Common
> Definitions.sbi, that value is not in the Windows Version IDs section.
> What does 65536 equate to or how do I get by this without removing my OS
> Version Checking?

65536 equates to 0x10000. So in "Common Definitions.sbi" it is $WIN_10$.
Your customer has a Windows 10 machine.

You need SetupBuilder 2016 Version 10.0 Build 4920 or later with Windows 10
(Kernel version 10 "RTM") support to handle installations on Windows 10.
Are you using the latest SetupBuilder version?

Does this help?

Friedrich