Black Boxes and Lines Around Inactive Windows?

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Jan 17, 2013
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Anyone know how to fix this? There are weird black boxes around the corners of inactive windows, and black lines around windows that pop up when asked for file attachment. I've attached the photos.

Thanks in advance!

Screen Shot 2013-01-17 at 2.45.00 PM.png

Screen Shot 2013-01-17 at 2.41.50 PM.png
 
Joined
Oct 22, 2007
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Your Mac's Specs
Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
It looks like some sort of graphics glitch with the display of drop shadows around windows

what version of OSX are you running
 

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