If you work in an office setting where prying eyes would love to see the information on your screen, you might want to take advantage of password protecting your screen saver. To perform these steps do the following:
Right-click on the Desktop of Windows Vista and choose Personalize (Figure A).
Figure A.
Next, choose Screen Saver (Figure B).
Figure B.
On the Screen Saver Settings page, tick the On resume, display logon screen checkbox (Figure C).
Figure C.
