Windows 8, Windows 10, and some installations of Windows 7 do not run applications with Administrator permissions unless expressly told to do so. Right-click on the TurboFloorPlan icon and choose Run As Administrator.
This will ensure the program is running with sufficient permissions to save the activation code to the registry of your machine.
You’ll be asked to enter it one last time and after that, you should be able to run the program as normal.
