Thanks to jls17, he has sorted his replay manager to work with FAF.
This is just a temp post until he makes a new, better one, then I will remove this.
It can be had here....
https://sites.google.com/site/supcomreplaymanager/
And thanks man... great job... again...
BTW if its not working then do the following....
Right click on a replay... any replay
Properties
Opens with [Version Chooser for supcom]
Done and enjoy...