Fstcal.com/scz pop-ups appear in your computer when it is infected by certain nasty adware. The purpose of such pop-ups is not to clean the system but rather to make things even worse. In fact, the main goal of these fake alerts is to force you into downloading and installing other junk software. In this tutorial you will find the automatic solution to get rid of fstcal.com/scz fake alerts from your browser.