I'm not familiar with the programmer you are using, but explicitly erasing
the chip before reprogramming it.  This will get rid of any copy protection
that might have inadvertently been set.

John Hansen

At 06:26 AM 6/27/02 -0700, you wrote:
>Hi all;
>
>Would you please help this PIC beginner about programming.
>
>I am using pic_up (picup v1 by Tomas Franzon) software downloaded from
>www.admittansen.studorg.liu.se. After programming 16F84 a few times you
>can not program it again b/c it gives message 'PIC code protected'
>(Although code protection is not selected).
>
>Looking forward to hear from you
>
>
>
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