On the Auto Backup tab you can set the following:
Back Up Project Database: If this checkbox is checked then the currently open project will be backed up at a regular interval defined by the combobox to the right of it. If this checkbox is not selected then the currently open project will not be backed up.
Back Up Project List Database: If this checkbox is checked then the WinLoG project list database will be backed up at a regular interval defined by the combobox to the right of it. If this checkbox is not selected then the WinLoG project list database will not be backed up.
Back Up Main Database: If this checkbox is checked then the WinLoG main database will be backed up at a regular interval defined by the combobox to the right of it. If this checkbox is not selected then the WinLoG main database will not be backed up.