is a sudden alert that may appear in your Google Chrome browser and state that you need to download and install some suspicious extension into it. However, doing so is strongly not advised, since your browser may become messed up essentially. The reason why such pop-ups appear on your system is that the computer is infected with adware. We strongly advise that you carefully refer to the guidelines provided below to get your system duly fixed and get rid of that adware causing the multitude of pop-ups.