Graphical glitching on runways and some key airport structures

[Ambient]

So i decided to reeinstall FSX along with acceleration on my new PC since i thought it will actually run it with more then 5 fps.
Well it does, actually its beautiful besides one annoying issue.

Every inter lapping runway/taxyway is twitching with different texture of one another and some buildings in select airports are displayed as a weird pink striped ramp like things...

i know this is a vague description but i cant be the only one having this issue.

Here is some key information regarding my PC Copied and pasted straight from DXdiag


Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255)

[N. Chapman]

Turn off DX10 Preview in the general settings