Thanks,
Paul
To solve this case:
1. Install FSFS2010 and register it.
2. Enter the registration code for the Cessna Pack that you were sent shortly after you purchased it into the FSFS2010 program at the credits screen. Note that the registration code for the Cessna Pack is a single code - not several codes like the registration data for FlyingSchool itself.
Please let us know how you get on.