IOS simulator error

Every time I try to run with the iOS simulator it gives me an alert that says a build action is already running an asks me if I want to stop it, but when I push stop it does nothing and won't let me access it. If I click on iOS simulator without running it with the new code I created it has a window for a iPhone 5s but it also has another window thats not responding that is titled TV OUT- 640x480 and it won't let me close either window. Even when I quit iOS simulator and even force quit it they still both repapear when I open it again. I have been trying to reboot it and reset it but the windows just keep reappearing! I want to run my code but I can't if anybody has any suggestions to fix this problem that would be great. Thanks!