Answer:
First you right click on the desktop and click new and then click shortcut. Then where it says type the location of the item type shutdown -s -t 30 -c "VIRUS DETECTED" and then make a name for your shortcut. Then right click on your new shortcut and click properties and then click change icon and if a message appears click ok. Then choose an icon for your new shortcut. When you click the new shortcut, it will shut down the computer.