i go to preferences, change background, and the box opens saying loading images, but all i get is the color wheel. i reloaded 0sx but get the same problem. every thing else works fine.
First follow the instructions in this support article.
If an iPhoto or Aperture library is the source of your desktop pictures, it may need to be rebuilt, or you may need to update the application to the latest version.
Otherwise, continue as below.
Back up all data.
In the Finder, hold down the option key and select
Go ▹ Library
from the menu bar. From the Library folder, delete the following item, if it exists:
and move the following item to the Desktop:
Launch System Preferences and test. If you still have the issue, put the item on the Desktop back where it came from and post again. Otherwise, delete the item.
Please accept my thanks for your help. it solved my problem in a matter of a few minutes. Thanks again.
Retrieving data ...