need help please ! i have windows xp on my computer, bought my computer a few years ago from cpc computers, this morning turn the computer on and there is a big notice saying my copy of windows isnt genuine ! now i am thinking back and i had my computer sorted for a virus about a year ago maybe more, why should this suddenly come up saying it isnt genuine ? what will happen if i ignore it ?? they are saying it is £95 to obtain a new copy can anyone help me please, is there a way round this ? i need to key a number in and obviously i havent got that.