My Tropical Beach pop-ups are appearing because adware has been installed onto your computer. Adware is not a computer virus therefore, it needs permission to enter your computer. And you indirectly give it when you install freeware, one that has adware attached to it, and not deselect the added items. Adware is not going to damage your computer itself but it will frustrate you with never ending pop-ups. Adware aims to generate pay-per-click revenue for sponsored websites and it does that by exposing you to those web pages. As soon as you notice that pop-ups with the URL beginning with this hijacker are appearing on your screen, scan your computer with a reliable malware scanner and delete My Tropical Beach . Otherwise, you might be putting your computer at risk because adware could lead you to malware.