Thanks Andre I appreciate the help. I have been burried in this problem. I found problem and it did relate to ram and eeprom initialization. Jon In a message dated 2/24/00 5:07:11 PM US Mountain Standard Time, engelec@EARTHLINK.NET writes: << I used to have same problem with pic16c74 it was working fine with picmaster and JW but when I programmed OTP ether it was doing crazy none sense things or didn't even startup. The solution was to clear RAM registers. According to Microchip OTP and JW is the same part but I think there is a little difference that we do not know yet. >>