Just got this crash bug when trying to resize a new project. Not sure if it matters but I had setup the project as a .CAPX file rather than a project folder.
<img src="http://dl.dropbox.com/u/26730853/Screen%20shot%202012-03-22%20at%2010.20.01%20PM.png" border="0" />
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actually, It was the layout I was trying to resize, my bad.
yA IT's an already known bug and it will be fixed on next version ;)