im having trouble with arcade games ive downloaded. i pruchesed them on my old xbox and now re downloaded them on my new xbox and even tho ive downloaded the full version it keeps telling me ive only got trial version. some games say i have full version when im conecteted to xbox live but revert to trials versis when i go offline. others say there trial versions no matter what i do. how can i make them all work as they are ment to again?