Client Bug Low FPS

Hello, I've suddenly been experiencing low frame rates, under 10. It started a week ago right after I updated my NVIDIA driver to version 364.72. I thought it was the driver at first, but, every other game runs smoothly (Witcher 3,CS GO). I've tried reinstalling the client and even reinstalling my driver, yet nothing seems to work.

Specs: Operating System: Windows 10 Home 64-bit (10.0, Build 10586) (10586.th2_release_sec.160223-1728) Language: English (Regional Setting: English) System Manufacturer: Razer System Model: Blade Processor: Intel(R) Core(TM) i7-4702HQ CPU @ 2.20GHz (8 CPUs), ~2.2GHz Memory: 8192MB RAM Available OS Memory: 8116MB RAM Page File: 5507MB used, 4015MB available Windows Dir: C:\WINDOWS DirectX Version: 12