avrdude: stk500_recv(): programmer is not responding
i do not understand what is wrong
It means your PC is not talking to the micro-controller.
A little more information is needed.
clayton98:
avrdude: stk500_recv(): programmer is not responding
i do not understand what is wrong
Remove all the wires from the headers and then try uploading the sketch again. You have an lcd wired into it by chance?