The game's running okay and nothing is out of the ordinary. Until the moment my units are sieging a province. Whenever I click on either my units or the province I am sieging to see its progress, my frame-rate drops from a smooth one to about 10FPS. The moment I close the window the frame-rate shoots up again. Is anybody else experiencing this? Hoe can such such a simple window have so much impact on the game's performance?