MonoTouch - simulator just quits

This is a fairly recent thing which appears to have happened after I downloaded and installed 开发者_JAVA百科the latest xcode, I also went through some steps to acquire certificates/provisioning so I could deploy apps to an iPhone device (didn't finish with that, went back to coding), so either of those things could be related, I think I also updated monodevelop most recently.

The problem is basically: I run the simulator, the app loads up for a very short while then it exits. Before this the app was showing and when it crashed instead of showing where and how it crashed (callstack, etc) it would just exit the app.

Any ideas what could be causing this?

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iOs kills apps that take more than 10 seconds to comPlete FinishedLoading

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Have you tried cleaning the build?

Also, are you compiling againts the lastest iOS SDK? See your project options :)