1. Double-Click on the Net Nanny icon in the system tray.
2. Enter your Administrator password.
3. Click on the "User Login Type" button.
4. Select "User Mode".

In Net Nanny 6.0, Default Mode vs. User Mode was done away with. During install you can chose to setup users or continue installing with Default Settings. This will create a Default User, but will no longer require that the Admin chose between Modes.