The symptom here was continual unwanted SMART warnings from the “realtime protector” which didn’t go away despite turning it off.
Login to the Micromat site where you bought it from, and on the My Products page, redownload the installer.
Open it, as if you were installing the application – you will reach a step where you can custom the installation and switch from install to uninstall. Choose this and let it finish. And that’s it.
The system preference pane will be gone and you should no longer have any Techtool processes in Activity Manager.