1) right-click on the game shortcut
2) select 'Properties' and click the 'Compatibility' tab
3) Check "run this program in compatibilty mode for: and select windows 2000
4) click apply and ok
5) run game
If you don't have a compatibility tab, search some place like
www.google.com) for: enabling compatibility mode for windows XP
If you don't know how to turn off virtual drives, then you don't have any, thus you don't need to turm them off.
Why does "the DVD version doesn't work"? Where did you hear this?