Found two things strange in ML:
- when i double tap in desktop to change background it opens system preference right away. Now after that, if I try it gain I have to tap it twice for it opens.
- I have a wallpaper folder within pictures that i have to add to the desktop folder pane in system preference to change wallpapers. Now, in prior versions the folder will stay there one added. In ML I have to added every time I want to change a the background.
Any one else experiencing this so I can be calm that it's not just me?
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you might want to try this fix
https://forums.macrumors.com/posts/15332289/