CompTIA A+ 220-902 Question A-4

After installing a critical update from Windows Update, a user accidentally types an incorrect URL into the browser and malware is automatically installed. The malware disables the computer’s antivirus software and Internet connection. Which of the following would be the BEST tool to remove the malware without risking loss of the user’s data?

A. Run System Restore
B. Reinstall Windows with the Repair Option
C. Reinstall Windows on top of itself
D. Run System File Checker

Correct Answer: A