What utility can turn back the hands of time?

When you left a customer’s location last week, their computer was working perfectly. Since that time, the end user has installed new hardware, removed some applications, upgraded some software, and installed some new operating system patches. Unfortunately, the computer is no longer working as well as it did a week ago. What Windows feature can keep all of the user’s documents in place but change the configuration of the computer to the working configuration from a week ago?

A) System Restore

B) Windows Backup


D) System File Checker