Program installer fails, wants 1809 or greater ... I have 20H2

  1. Telos's Avatar
    Posts : 67
    Win10 x64
       #1

    Program installer fails, wants 1809 or greater ... I have 20H2


    Trying to install a program... shortly after the installer executable launches, a pop-up says that the program requires Windows 1809 or later... Clicking OK closes the installer. I have 20H2 according to winver.

    The application developer can't help.

    Any ideas what might be triggering the incorrect Windows version... or a means to bypass the version check?

    Oddly enough I have v6 of the program installed and running, but need to rollback to v5. After uninstalling v6, rebooting and attempting to install v5, this crazy notice appears.

    I'm stumped.
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  2. dalchina's Avatar
    Posts : 33,115
    Win 10 Pro (1903) (2nd PC is 21H1)
       #2

    Presumably some bug in the way the older version of the program checks the installed build of the O/S.

    That's the program, if so, not Windows...

    If you really really needed to run that, you could have build 1809 in a Virtual Machine.. but doubt that's worth the trouble.
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  3. Try3's Avatar
    Posts : 9,433
    Windows 10 Home x64 Version 21H2 Build 19044.1288
       #3

    Telos said:
    ... a pop-up says that the program requires Windows 1809 or later ... I have 20H2
    After Version 2004, a new Version numbering system was introduced [20H1 rather than 2009] and the developer would have had to alter the method of determining the Version [and which version 'number' was bigger than another].

    So I'd guess that the old application version uses a now-invalid method of checking Windows 10 Version number.
    - You really would need to know precise details of the method used and the developer is unlikely to tell you that.
    - Since you do not know what method is used, you cannot even begin to investigate a workaround.

    Albeit at some risk of being overly simplistic, if the Version checking method retrieved the Version 'number' and compared it to 1809 using an alphabet-based sort then 20H1 would always come before 1809.
    Program installer fails, wants 1809 or greater ... I have 20H2-numbering.png


    Sorry but I agree with you that you are stumped and will not find a solution.

    Denis
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  4. pepanee's Avatar
    Posts : 1,503
    Windows 10 Professional
       #4

    Have you tried playing around with these settings? Maybe you can find a method here that will allow you to install the app:
    Program installer fails, wants 1809 or greater ... I have 20H2-compatibility-settings.png
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  5. Telos's Avatar
    Posts : 67
    Win10 x64
    Thread Starter
       #5

    Some very good points made by all. Thank you.
    @pepanee ... I did try the "compatibility" setting you mentioned, but still I was unable to bypass the Windows version check.
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  6. Berton's Avatar
    Posts : 11,750
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909
       #6

    A bit of information, I got a book cataloging program that said it couldn't run from default setup.exe file but in digging into other files found another setup.exe file in a folder that ran fine so it was the install routine that was the problem.
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  7. dalchina's Avatar
    Posts : 33,115
    Win 10 Pro (1903) (2nd PC is 21H1)
       #7

    That's an interesting thought- depends very much on the structure of the program's installer as to whether there's some way of installing it without encountering the check.

    What's the program, anyway?
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  8. Telos's Avatar
    Posts : 67
    Win10 x64
    Thread Starter
       #8

    Berton said:
    A bit of information, I got a book cataloging program that said it couldn't run from default setup.exe file but in digging into other files found another setup.exe file in a folder that ran fine so it was the install routine that was the problem.
    Interesting, but no other setup file is present. I expanded the exe using 7zip and scanned for version info. All I learned is that the installer is based on Inno Setup. Maybe it is outdated for new versioning scheme.
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  9. Berton's Avatar
    Posts : 11,750
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909
       #9

    Telos said:
    Interesting, but no other setup file is present. I expanded the exe using 7zip and scanned for version info. All I learned is that the installer is based on Inno Setup. Maybe it is outdated for new versioning scheme.
    Very possible. Each twice-yearly Version Upgrades does things previous ones didn't even to the point of removing any customizations and killing off things that previously worked, that impacts third-party software programmers.
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