the usb to com converter dose not assign it self as a true comport it is a virtural com port i have this exact problem i use the velliman programer with picprog2 as the loader i first write the code in mcs+ then compile using pic basic pro then start picprog2 load hex file and every time i write or erase tothe pic i have to reselect the com port for it to work
check systems properties on the vaio to see what com port is assighed to the converter
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