framedrops/stuttering at any fps cap or uncap

i5-2500k radeon gtx 970 16gm ram. 

Everything was running fine. Then I noticed after a windows update the game went to complete crud. Was averaging above 60 fps (Capped) no problem and now im averaging anywhere from 30 - 40 with massive stuttering. Rolled back my drivers to just about every driver available. Nothing works. Adjusted all settings. Nothing works. All other games run fine. I want to finish the battle pass I payed for before the end of the month but with this huge fps loss the games unplayable for me. Please patch.