I have been recompiling the code for the PIC I want to use all along and it still does not work. My hardware is built so that all the corsponding I/O pins on ports A and B are conected to the same things on each PIC. In my own experience I have been able to use the PIC16F767 normaly by disabling the ADC and the comparator but this time that doesnt seem to be enough. Any other ideas?