Dragging tabbed window leaves ghost?
OK, this is really more of an annoyance, but it's odd, and I'm wondering if anyone else has noticed it.
When I Cmd-open a window (to make it open in a new window, it goes to a tab. Normally this is fine, but if I'm sorting files from folder to folder, it's easier to have them side by side. But if I drag a tabbed window out, so as to make is a separate window, the drag preview (mini image of the window) gets left on my desktop. It's not clickable or selectable, and if I close all windows, the Finder doesn't recognize it as an open window. Here it is:
Has anyone else seen this, or know what causes it? I have noticed that Mavericks has some odd issues with desktop images (e.g. the Launchpad icon/dock prefs thing), but this is a new one.
iMac, OS X Mountain Lion (10.8.4), 27" 3.4 Ghz Core i7