Since the expansion the game slows to a crawl after 10-15 minutes. When I log out my computer is super slow for 2-5 minutes after. Everything worked fine and the game ran wonderfully before I DLd the expansion.
Windows 10 64 bit
16G of Ram
i5-4690 @ 3.5G
Nvidia Geforce 750 Ti 2G
This should not be happening.