You are a consumer support technician. A users computer is configured as shown in the following exhibit. (Refer to the Exhibit.)

The customer wants to install a new custom application that has not been tested on Windows Vista.

You need to recommend a solution to allow the computer to be recovered in the event that the application modifies system files or settings.

What should you do?

Exhibit:

A.
Convert the hard disk that contains the C: drive to a dynamic disk.

B.
Mount the F: drive to an empty folder on the C: drive.

C.
Create a system restore point on the C: drive before you install a new application.

D.
Enable shadow copies on the D: drive and create a shadow copy before you install a new application.