> It sounds like the capacitance of your hand is affecting the circuit. 
> Some key areas to look at.
> 
> 1.    Is the clock stopping? Have you got recommended capacitors to 
> ground on each leg if using a crystal. Or any at all? Is clock set to 
> right mode for the crystal or resonator you are using if using such.

Yes, I have 18pf caps with 4mhz crystal. Also tried with 20mhz - same
result.

> 2.    Are all unused pins set to outputs OR set as inputs and 

All unused pins (as the one driving the LED) are defined as outputs.

> Report back on the above for more ideas :-)

Aadu Adok

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