Green Flashing video

[scoopsfl]

New to Action !, anything on Steam...records without a hitch. However when I run FSX, I get a green flashing across the screen. The video records fine...audio also. I tried to search this, this is the only reason I ask

Thanks

Alienware X-51 R2
Intel Core i7-4770 cpu A3.40 GHZ
8 GB Ram
Nvidia GeForce GTX 760 Ti OEM
Windows 7
Recording @ 1080p, video framerate 30

[radi]

Do you run FSX in 32bit or 64 bit?