FPS Keeps Dropping!?

So I used to have a steady 100 - 130 FPS, but since the recent update my frames won't go any higher than 30. I'll be in a match, and as soon as it starts my FPS drops to 30, than down to 12 and than back up to 30.

Yes, I have tried uncapping it and I have tried capping it.

Also my PC had a new windows update, I'm guessing that could also be an issue but I'd thought I'd ask here first.

Thanks for any advice or recommendations!