Has anyone found a fix for this? I bought cs 757 pro, 300, and frieghter packs and cannot get the ace out of demo mode, i have installed and uninstalled then reinstalled many times with the same result, also i have uninstalled and reiinstalled with xp compatibility, i have a vista ult machine and i am able to run all my other cs products c130 727 etc. all except the 757, by the way it is the 4.3 ver. any help would be great!!