as i have f84 programmer i am not getting any heat but i am unable to write to ic i am getting the same programming line error but i am able to read,verify,erase need a solotion i an using winxp I have checked for short/open circuit there is no one but when i take the pic ic from the zip socket the led id no but at the 14 pin in pic it is not getting the 5v input how to check wether the pic is working or not can i connect a led in 14 pin of the pic to check the power supply now i ahve brought a new chip but i am afraid to put can. when i used the wpicprog16 the port it is configing is 3BC but when i used winpic prog 1.9 it shows 378 is the problem with software or my hardware