Done, but sill not showing anything (now it shows "run krdc")
kbuildsycoca4 running...
kbuildsycoca4(8728) VFolderMenu::loadDoc: Parse error in "/home/raul/.config/menus/applications-merged/xdg-desktop-menu-dummy.menu" , line 1 , col 1 : "unexpected end of file"
Altough I never done anything about custom menus, that dummy menu is an empty file