A user is experiencing slower than normal performance on a computer running Windows XP
Professional. The user has rebooted the computer several times, is on a closed network with no
Internet access and all accounts are created as limited user accounts. Which of the following
actions should be recommended to the user?

A.
Reinstall the operating system.

B.
Run the Disk Cleanup utility.

C.
Reboot the computer again.

D.
Run SCANDISK and CHKDSK utilities.