Xcode 4.3.2, issue with running on simulator

Question

I have been having this weird problem with Xcode 4.3.2, of course after the recent update.

After successfully building and running on the simulator several times, xc

Answer 1

I have found by chance, it is not a solution by any means -

When xcode hangs, saying it is running the app, but nothing is on simulator, opening the simulator from the dock by clicking on the dock icon (not using command+tab) seems to work.

It is very weird,but it works; atelast till xcode fixes it.