Samsung 151S - Manual (Page 24)

User’s Manual
Setup
8. If you can see following "Message" window, then click the "Continue Anyway" button. Then click
"OK" button.
This monitor driver is under certifying MS logo,and this installation don't damage your system.The
certified driver will be posted on Samsung Monitor Homepage
http://www.samsung-monitor.com/
9. Click the "Close" button then click "OK" button continually.