Run the shortcut in the jTask Program Group - Initialize database (run me 1st)
A window should pop up saying Database initialized successfully (if not, click here)
Either install as an NT Service by running Install jTask as NT Service, or install as a background application by moving the jTaskService (as background application) shortcut to your Startup group via Windows Explorer.
Start the jTask Service via the Services Control Panel if installed as a service, or by running jTaskService (as background application) from the Start Menu.