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I have been having this exact issue as I had reported it in a previous post until recently. I have a mid 2010 mbp13 with OSX 10.6.8 and Win7-64...
Another error report: 10248899
Same problem here running P6/Win7(64bit) on MBP13(2010) w/Snow Leopard:
The problem report was successfully sent with id: 9926270