ok since vista SUCKS 4 playing 2142 (i used hotfixes any everything) i decided to go back to xp but first i put it on compatability with windows xp service pack 2 (to see if it worked any beter) and it gave me a please insert DVD in drive message AND it was already in! i used to have service pack 2 but that message came up every time i tried to play, so i switched to vista and i donno what 2 do so PLEASE HELP

MI CASA NO ES TÚ CASA