Rewire 2.0 Reason won't launch as plug in through Logic 7 anymore !!!!!!

bought a dual core G5 powerPC copied my settings and data off my Ibook.
had logic7 running and Reason3 opened as a plug in awesome

after the G5 install Reason keep claiming Rewire Problem 2.0? and would not launch as plug through Logic several reinstalls no luck

any ideas? thanks Keith