If you see a padlock next to a song, it means that the song has Digital Rights Management (DRM) on it and that it cannot be burned. In order to burn it, you may be able to purchase the rights from the place, service or website you got the song. Usually, it costs from 70 to 99 cents per song.
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Starting with versions 4.70 and higher, Acoustica MP3 CD Burner will not work with Windows 98, ME or 95. Later versions of MP3 CD Burner require Windows Vista or Windows 7. If upgrading your computer to a new operating system is not an option, uninstall the software and then download Acoustica MP3...