hi guys i am a newbie to this site ..i have a pro n a question .. my cuz was on my system a few days ago ...after he finish it looked like he did n update ... when i went to use my sytem after booting up windows told me i was not using a valid key n now all of these widows r popong up .. i went online trying to get something to remove it but in vain i asked a friend this morning about it n he told me to use this site n ask about something called W.A T can any1 help me plz .. ireally do not want to reformatt my drive i have to much info to lose HELP PLZ b