You are a desktop support technician for your company. The computers in your company run Windows Vista. A common spyware program infects a computer. You verify that Microsoft Windows Defender is running on the computer. What should you do?

A.
Run a full system scan on the computer.

B.
Select all the real-time protection options in Windows Defender.

C.
Delete the files in C:\Users\[username]\AppData\Local\Microsoft\Windows Defender\FileTracker

D.
Select the Use heuristics to detect potentially harmful or unwanted behavior by software that hasn’t been analyzed for risks option.