Sometime the screen whites out when clicking on the control buttons such as auto pilot, APR, speed, NAV, ...
I had FSX installed for a while, but haven't played it much until recently to check out a new video card. I also installed SP1 and SP2, but back to back without running FSX once after the SP1 update. Not sure if this really matters.
Intel Core 2 extreme X6800, 2.93ghz
Intel D975XBX motherboard, 2GB 4-4-4-10 Patriot DDR2 ram.
ATI HD4870 video card - Catalyst 8.9 drivers.
Soundblaster X-Fi (platinum)
Windows XP SP3.
Two CH-Products USB joysticks (right is pitch and roll, left is throttle and yaw, same as a USA type radio control transmitter, I fly rc gliders).
And in case anyone remembers, no my wife wasn't using a word processor on my computer: