Peter, an end-user, reports that the Windows PC he is using automatically locks when he leaves his desk and walks to a printer to retrieve documents. Peter is then required to type in his username and password to unlock the computer. The technician looks at the settings on the PC and notices that the screensaver and screen-lock options are grayed out on the computer and cannot be changed. Which of the following is the MOST likely cause of this issue?
A. Domain-level group policies
B. Antivirus domain-level policies
C. Corrupted registry settings
D. Incorrect local-level user policies