Wind Waker EU crashing on startup, but WW US runs normal???

[JosJuice]

(09-16-2016, 01:26 AM)CaboHitman Wrote: The data on the memory card is lost.

If the problem is that the US save data doesn't work on the EU version, that's solvable. Open the GCI of the save file in a hex editor and change the fourth byte to P (to match the game ID), then put it in your EU memory card.