@danimourinho I see you've already found another thread on this topic, so I'll lock this thread and keep the conversation on the other thread:
https://forum.recalbox.com/topic/23882/hide-pre-installed-does-not-hide-ports

@kaptainsteve Hi,

If the gamelist is corrupted, delete the file named gamelist.xml in the roms folder, restart Recalbox and scrap your roms again.