log note 5.6.1.0 issues

We are attempting to migrate our Court stenos to new computer.

Moving them from windows XP to Windows 7 required us to migrate from Log notes 2.2 to Log notes 5.6.1.0

Currently 5.6.1.0 Log notes will find the note,

We click on it and the player will launch, however any file originally created with Log notes 1.3 will not load and play.

Files created with Log notes 2.2 or newer will load and play correctly.

Is there something we need to configure to allow the stored 14 years of recordings to load and play? 

Thanks

Brian