You are a consumer support technician. A user attempts to back up all personal files on a computer by using the Backup and Restore Center .

The user receives an error message as shown in the following exhibit. (Refer to the Exhibit.)

You need to ensure that the user can back up the personal files.

What should you do?

Exhibit:

A.
Create a system restore point.

B.
Manually start the Volume Shadow Copy service.

C.
Close all open files before you start the backup.

D.
Assign the users account to the local administrators group.