Be sure to turn off the analog comparators if you don't want them. Default has them turned on.

sayzer, that's odd. I don't use thousands a month, but I do use hundreds a month. I use the eeprom area quite aggressively and so far (knock on wood) I have yet to find an eeprom issue with the 12F629's. This is what I make and sell: http://www.york-electronics.com/