The only reason I can think of it that somehow the registration code was linked to a particular Windows install. Maybe it was generated from it? Now your Windows install has changed that might be why the code no longer works. I think you might have to resign yourself to having to get new keys for everything :-(
Keys
The only reason I can think of it that somehow the registration code was linked to a particular Windows install. Maybe it was generated from it? Now your Windows install has changed that might be why the code no longer works. I think you might have to resign yourself to having to get new keys for everything :-(