User blog comment:Captaingoldvane2/Strange Graphic Issue/@comment-5328745-20130202235617

Well, I've had the problem with the lines on the sea a few times. That seems pretty common with people, though. As for if it's a conflict between Windows 7 and Pirates, that's a no. I've used Windows 7 with it for about two and a half years now, and it has only had a few problems.