You are a desktop support technician for your company. The computers in your company run Windows Vista. A user’s computer automatically downloads and installs a critical patch for the vulnerability in a system DLL file. The user reports that she receives an error emssage when she attempts to start Windows.

You need to restore the user’s computer to a bootable state without installing the earlier upate ifles. You must achieve this goal by using the minimum ammount of administrative effort. What should you do?

A.
Access the recovery console and run fixmbr c:.

B.
Start the computer in safe mode and restore the original system DLL file.

C.
Perform a system restore from the Windows Vista installation DVD and restore to an earlier date.

D.
Access the recovery console from the Windows Vista installation DVD and extract only the original system DLL file. Then, overwrite te faulty file.