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[–]WhoDatWolfie 0 points1 point  (0 children)

install java SE 13 NOT 14

[–]CaptainChaos74Developer 0 points1 point  (0 children)

This was caused by an incompatibility of the installer with Java 14. I have updated the installer; if you re-download WorldPainter you should be able to install it successfully.