Vista - Playing Windows XP Installed Games On Vista

Ok i have a computer that runs on both windows xp and windows vista home premium.i can select which one i want to use when it boots up. I installed some games on XP a while back but now i primarily use vista.Whenever i start a game on vista that was installed on xp, the game gets some sort of error.When i start the xp installed game on windows xp it works just fiine. I primarily use vista and i want to be able to play the games i installed on windows xp on vista. Please much help would be nice.

what is the error you receive?

when you boot into vista, you running the game from the xp partition? if so, that might be your problem. i'm guessing that you would need to install the game directly into your vista partition for it to work right.

no im not playing it with a partition or whatever. i get all sorts of errors.one is when i run call of duty modern warfare it says its not run form the correct folder and when i run it on xp it works fine

you cant run a game that was installed on your xp partition , you will have to install the complete game on your vista partition too

correct me if i'm wrong, but your computer boots to either xp or vista, right? yes. then you have a separate partition for each operating system. if you start your computer and boot into vista, the game(s) you try to play are installed on the xp partition. you (more than likely) will have to uninstall the game from your xp partition and reinstall it to your vista partition. if you don't uninstall it first, you'll run the risk of having the game not run in the vista partition because of the game already having been activated from within the xp partition. before you uninstall, just stick a flash drive in your computer and make sure you back up all of your game saves so when you reinstall, you won't have to start from scratch.