Thank you brantmacga,
I find no Settings tab in my Control Panel.
And to answer JMaymore's question, no, I did not recently upgrade or switch vidio card. I've had my PC with video card since March 2005, and all worked fine in FS9 till last week.
John


Thank you, all you guys that were so eager to help me with this problem, and specially a big THANKS to Midnight.
Intel i7 960 quad 3.2G LGA 1366, Asus P6X58D Premium, 750W Corsair, 6 gig 1600 DDR3, Spinpoint 1TB 720