Online-Guardian.exe is definitely a kind of threat for your PC, AS it is a consequent component of a very harmful application. We prefer to classify it as adware. If the system is penetrated, your Task Manager can show this easily. The results of adware work you will see without a delay, they are multitude pop-ups, advertisement banners displaying everywhere in your screen via the default browser. Their appearance is certainly provoked by Online-Guardian.exe process in your computer. No time to think about, it’s time to fight for your privacy.