You are a consumer support technician. A user has a computer that runs Windows Vista Business Edition.

You perform a Full backup of all data every Friday night.

On Monday, the user upgrades an application by using an .msi installer file. After the upgrade, the application stops working several times on Tuesday and Wednesday. On Thursday, the application fails to respond.

You need to restore the application to its state prior to the upgrade. You also need to prevent any loss of application data.

What should you do?

A.
Perform a Complete Restore by using the Full backup from the previous Friday night.

B.
Perform a System Restore by using the System Restore point that was created prior to the application upgrade.

C.
Perform a System Restore by using the System Restore point from the original operating system installation.

D.
Perform a Selective Restore of the Program Files directory that contains the application files by using the Full backup from the previous Friday night.