Jazz Spot is spread via other free applications. You should be aware, some free program (for example, game) includes additional software such as an adware, PUP, hijackers and other types of malware. Jazz Spot is a nasty adware. The application aims to display all kinds of advertising. Therefore, advertisements will pop up suddenly anywhere on your desktop. Unfortunately, your screen will be flooded with useless data and fake ads. You need to pay more attention the install process and deselect all additional apps via the Custom installation mode.