Hi,
after my Macbook Pro running OS X 10.10 Yosemite returns from sleep mode or after unplugging and plugging back in an external display, R2015a crashes completely, doesn't show any windows at all, only says "Application not responding" in the dock. I'm not quite sure yet whether this has to do with the sleep mode and/or the display thing, since it only happens randomly. I'll support more information once I'm sure about the event causing this issue and would like to hear in the meantime if anybody else has this problem.
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