Harry H. Arends wrote: > Found it. Somehow i read a codeprotected device at the end of last week and > ik looks that the software remembered this state. It remains in it even > after loading a new HEX file. Do you have a fuses setting in your hex file? You definitely should. -- Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist