I Don't Get It, Fruity loops Rewired Into Ableton Live 4

[stale bread]

I tried to open up this track i started working on yesterday in fruity loops alone and not rewired, and I could not do it, every time I launched the app it opened up fine and then when I tried to play the song the whole app would just lock up, I kind of had alot of stuff going on and the cpu meter was about 50%, after repeated tries still no go, then I decide to open it up like it was when I initialy was working on it which was rewired into Live, I was only using Live for monitoring and nothing else and on the first try it plays just like its suppose to. shouldn't it play by it self it it will play in rewire mode?