Is your setup is a multi instance setup ? if not an multi instance setup may i know why you passing below instance id /instance=10 /ig{F10241A9-F59D-4A5E-A44E-67731E09A484} ... View more

Its by windows design, if you want to install only in windows 10, then try writing your own code using SYSINFO   You can try the win 10 and see it works or not For win 10: ((SYSINFO.nOSMajor == 6 && SYSINFO.nOSMinor == 3) || szVersionNT == "603") Refer help for win10: https://shieldmaster.wordpress.com/2013/09/05/how-to-determine-windows-server-2012-os-in-installscript-function/ https://docs.revenera.com/installshield26helplib/LangRef/LangrefSYSINFO.htm check for SYSINFO.nISOSL and SYSINFO.WINNT.bWin10   The below code is for Windows11, you need to modify for windows 10 and then add it has a cusomaction,     export prototype CheckOS(HWND); function CheckOS(hMSI) STRING svOSVersion, szVersionNT, szVersionNT64, szWindowsBuild, szServicePackLevel, svTemp, svMessage, svBuildnum, svMessage1; NUMBER nvType, nzSize; begin nzSize = 256; RegDBSetDefaultRoot(HKEY_LOCAL_MACHINE); //RegDBGetKeyValueEx("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", "ProductName", nvType, svOSVersion, nzSize); RegDBGetKeyValueEx("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", "CurrentBuild", nvType, svBuildnum, nzSize); MsiGetProperty (hMSI, "VersionNT", szVersionNT, nzSize); MsiGetProperty (hMSI, "VersionNT64", szVersionNT64, nzSize); MsiGetProperty (hMSI, "WindowsBuild", szWindowsBuild, nzSize); MsiGetProperty (hMSI, "ServicePackLevel", szServicePackLevel, nzSize); //MsiGetProperty (hMSI, "CurrentBuild", svBuildnum, nzSize); if (SYSINFO.nOSProductType = VER_NT_WORKSTATION) then svTemp = "'WORKSTATION'"; elseif (SYSINFO.nOSProductType = VER_NT_SERVER) then svTemp = "'SERVER'"; else svTemp = "'DOMAIN_CONTROLLER'"; endif; //svMessage = "OS is: '" + svOSVersion + "'\nVersionNT is: " + szVersionNT+", VersionNT64 is: "+ szVersionNT64 +",\nWindowsBuild is: " + szWindowsBuild +", ServicePackLevel is: '"+ szServicePackLevel+"',\nProductType: "+svTemp; svMessage = "OS is: '" + svBuildnum + "'\nVersionNT is: " + szVersionNT+", VersionNT64 is: "+ szVersionNT64 +",\nWindowsBuild is: " + szWindowsBuild +", ServicePackLevel is: '"+ szServicePackLevel+"',\nProductType: "+svTemp; if (svBuildnum < "22000") then MessageBox ("Not supported OS",INFORMATION); abort; endif; MessageBox(svMessage,INFORMATION);   end;   ... View more

I try it with R3 and Windows 10 but it doesn't work. The result is always "1234567891011121314.dll" ... View more

What I know is, that since Windows 7 Windows Installer (5.0) is part of the operating system. So it is not necessary to redistribute. https://docs.microsoft.com/en-us/windows/win32/msi/windows-installer-redistributables regards Markus ... View more