Or, you can uninstall Guardian AntiVirus from your computer by using the Add/Remove Program feature in the Window's Control Panel. • On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following: • Windows Vista/7/8: Click Uninstall a Program. • Windows XP: Click Add or Remove Programs. • When you find the program Guardian AntiVirus, click it, and then do one of the following: • Windows Vista/7/8: Click Uninstall.