When a user was installing a new program, the computer suddenly restarted. Now when the computer starts, it gets partially through the boot process, then reboots. Which of the following is the QUICKEST method to get the computer running without losing any of the user’s data?

A.
Reinstall the OS

B.
Perform a factory restore

C.
Boot into Safe Mode and perform Windows Restore

D.
Boot using Last Known Good Configuration