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[Wicky]

Skillz one question did you play with the version from abandonia, or with your own copy from CD?

Because the copy protection makes your units weaker and your enemy's units stronger. Unfortunately the CD version no longer recognizes the original CD. It looks for mscdex.sys to be present in memory but DosBox doesnt have mscdex, so it fails the check.
In short, one has to use abandonia's version, even with the original CD.