Hi, RoccoD and welcome!
Some settings are different for old and new Windowses. In particular, it affects the places where system seeks for the system files, save files and registry entry.
Windows usually offer simple way to circumvent some issues: right click on the main exe, select "Properties" then "Compatibility". Try to lower Win version here step by step (i.e. XP, if not works - 98, and at last 95). It must help, if your problem is from this zone (as it sounds).
Alternatively, if it will _not_ help, search Windows and My Documents directory for installed preference files. Most companies put settings here directly. Or seek Windows registry for the game - registry was very popular place to put such info in the earlier Windows versions.
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