Custom Unity Editor Layouts

Why can i not get my Custom Editor Layouts to work? I have always had problems with it for the past 2 years or so. Every once in a while it would just die and i would have to reset to factory defaults so i would and it would suck to try and remember how i had everything set up etc… So i just installed Unity 4 on my PC… I normally work on a Mac but am holding off upgrading it from 3.5 until i get final sign off on a big project. But i decided to install Unity 4 on my PC work station so i could use the latest and greatest for a new project proposal i am working on… The Custom Layouts constantly crash… over and over… why does this not work?

I use Play Maker and EZ Gui and SM2. So those windows are a part of my layout. My only floating window is a Game window. I use a two monitor set up on both my PC and Mac work stations…

I am so sick of trying to set up my work environment.

Any ideas?

Thanks

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I may have this fixed… I was trying to get a Prefab import to work… trying over and over testing etc… i think i overwrote an Asset file along the way… thought i was being careful… i guess not.

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