Hello!

Here's the problem:

Do you have an idea?
thanks in advance!

That screen was missing a required change for Maelstrom to access the emblem textures.  I fixed it and uploaded to Itch.  You can also edit the file Program\INTERFACE\ship.c with a text editor.  Go to line 2472 and change to this:

void FillEmblemesScroll()
{
    EnumerateIcons(GetResourceDirectory() + "textures\" + sUserSailsPath, "*.tga.tx", "SHIP_WINDOW_EMBLEME", 0);
}

It worked! :D  Thanks for your quick answer!