All Harry Potter games (or, possibly, all EA games) contain a region-unique string, presumably to identify the region for registration or patch distribution. In case of Prisoner of Azkaban that string is in the `System\kwGame.u` file, which is located on the disc, outside of the zip file, unpack, and is a full match between these 2 dumps, which means these releases should be identical. The only file different is the zip file. The zip file in the Danish release can be extracted just fine, and the installer shows no issues.

As expected, the installer complains about the very same file, when trying to install the game: