You are a consumer support technician. A user reports that the users computer is performing poorly, and that restarting the computer has not solved the problem.
The user also reports seeing an error message regarding a file in the \WINDOWS\SYSTEM32 folder, but the user cleared the message before reading the details of the error message.
You suspect that malicious software has infected one of the system files.
You need to repair the infected file.
What should you do?
A.
Run the SFC.EXE utility by using the /SCANNOW switch.
B.
Run the SFC.EXE utility by using the /VERIFYFILE switch.
C.
Run the BOOTCFG.EXE utility by using the /REBUILD switch.
D.
Start the computer by using the Windows Vista installation DVD and enter the Recovery Console.