Was working on a map when this occurred,
(http://img245.imageshack.us/img245/5464/o02fc9.th.png) (http://img245.imageshack.us/my.php?image=o02fc9.png)
(http://img295.imageshack.us/img295/2153/o0ep2.th.png) (http://img295.imageshack.us/my.php?image=o0ep2.png)
Note: the chrome.jpg is, in actuality, gray.
Not much surprises me about windows now, but this was just odd.
Edit: when I right clicked the picture and told it to refresh the thumbnail it was fixed, but still...
Maybe it was saving the world from your photoedits, but failed :D
Waste of 23 seconds.