I think, an error has occurred? You know why?

I use fsx sp1 + acc(sp2)
Kai Tak Mode: SDK-Compliance
SYSTEM: core 2 quad q9300 @ 3,2 ghz, 4 gb ram, nvidia geforce 8800 gts g92, vista ultimate 64 bit
MY FS SETTINGS:
filtering: anistropic
[ ] anti - alising
[x] dir x 10 preview
[x] lens flare
[ ] light blomm
[x] advanced animations
level of detail radius: large
mesh complexity: 92
mesh resolution: 19
texture resolution: 60 cm
scenery complexity: extremely dense
autogen density: extremely dense
[ ] ground scenery shadows
special effects details: medium
-------------------------------------
I hope, you can help me.
many thanks, gerd
mannheim - germany