I have finally got around to loading the 2003 game ‘Law and Order: Dead on the Money’.
It failed to work on a Vista machine.
Although it appeared to install correctly, when I ran the short-cut provided, all that happened was that the screen display size changed. 
I tried a later game in the series - ‘Law and Order: Justice is Served’ - on the same machine and that worked.
I put the discs of ‘Law and Order: Dead on the Money’ into my computer running Windows XP (2002) and the same fault (the screen display size changed) occurred.
Here are my questions, which I would be grateful to have answered:
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Do you think I have a corrupted version of ‘Law and Order: Dead on the Money’ ?
(I bought it legally from mz*n, so I can easily get a replacement.) -
In general, do older games still run under new operating systems?