Pro CS6 displays empty keyframes when they should be gray

i upgraded cs6 after briefly using trial. worked on project last night, , today, load up, , when go movieclips have timeline animations in them, keyframes messed up. many keyframes should dark gray (meaning "have" objects in them) showing white. if select contents on stage, keyframe goes gray should be.

 

i have screen shot of , tried reporting through adobe bug/feature request form, got bounced email saying adobe email address invalid. there's thread in these forums claims it's been months!

can provide screenshot , flash pro cs6 build. try upgrading version latest available one.

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