Hi! Do you use a special ICD version of your PIC? (PIC12F675-ICD) see header information on http://ww1.microchip.com/downloads/en/DeviceDoc/51292h.pdf Artem -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist