I have an acer aspire laptop and i burned cds usong nti cd maker. using the same method as i always have done it is refusing to burn. iTunes media player, everything. it says it burned and i can see it has burned something onto the disc but when i open the disc in my computer it says it is a blank disc and no cd player can recognise it at all! what is going on it burned cds and dvds fine before !!! please help meit then says i cant burn it. it has stuff on it even though windows says it hasntAND wmp is letting me burn over the burnt cdr