This error message occurs when the BrainMaster 2.5 Update has been installed but the 2.5 Core installation has NOT been installed first.
- Install the BrainMaster 2.5 Core installation software.
- Then install the 2.5 Update.
Once the Update has been installed, you should not reinstall the BrainMaster 2.5 Core software again without also reinstalling the 2.5 Update.