HI mister_e

1 - if i remove all the configuration fuse setting and do it manually on my programmer it's the same result

2 - i always erase the chip before i program it

3 - i program it without test min or max VDD

4 - my programmer isn't ICSP

5 - i have tryed to program with 'picstart plus' but when i 'import' the HEX file i've got those error message :

"the format of the file c:\...........................\therm452 jfb.hex can not be read or written because its extension was not recognized'