Ignore the above post, problem found and fixed, I think

For some reason some of the files had got corrupted during a move from the download location to their final place.

I have downloaded all 5 parts and placed the contents of the 5 folders into one folder. When I double click on nl2000v3.exe a DOS window briefly opens then vanishes and nothing else happens. I have also tried leaving the scenery in the 5 'parts' folders and running nl2000v3.exe from part 1 but the s...