I have hp tablet compaq tc4400 i.e design for windows xp or vista but it has windows 7 "ultimate" as far as I know tablets and notebooks shouldn't have the ultimate version of any os .my tablet starts troubling like hang like sick and m just pissed off plus its sounds gone :'( its has optimizer pro but not fully install and it recommend me to istall full version of optimizer pro but its not free I am trying so many times to unistall it and then install it on free but all my efforts comes to nuthing ..my tablet gone mad !! help please .how to fix it