Something is wrong with my Time Machine Backups. I have a Macbook, 2009 6.1 running Mavericks 10.9.4. I have the old 2Tbyte Time capsule. I have noticed that whenever I try to access backups, despite having dates down the right hand side of the screen, I can't access them. If I try, the Finder window title bar is black and there are no folders or files to choose. The only "normal" Finder window is the current one, all the ones behind are neatly tiled but black? The Finder window advances as it should. Incidentally this is exactly the same problem I'm having with my desktop iMac. Help?