Make sure that your *.mny and *.mbf files are not within the ProgramFiles folder. Instead move them to a place that you have full writablity for, such as within your Documents folder. Similarly, make sure the locations for the scheduled and upon-exit backups
in Tools->Options->Backup are to places that exist in the new machine.
You may want to consider upgrading to Money Plus Deluxe Sunset. That would take some special actions that may not be available to you after January.