Odd Framerate Effect (LoL)

[TheCrimsonSpark]

All settings at default, upon loading the program i get "60fps" in game but visually it isn't. The screen stutters. I hadn't tested any other games yet. But it only occurs upon launching the OBS software. Not only Recording/streaming.

https://gist.github.com/7977e556ffe32a63988a
Log