> I really have no clue how the bootloader writes to program > memory but... > Does LVP need to be enabled for a bootloader to work? short answer: no, LVP and self-writing have absolutely nothing to do with each other. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics