Settings => General => Reset => Reset Keyboard Dictionary

1. Click Finder
2. At the top menu, click Go.
3. Select “Go To Folder” from the submenu.
4. Type “/private“.
5. Open the folder “etc” and locate the “hosts” file.
6. Copy it to some folder and right click on the file and click show info and make sure you have the rights to read and edit it.
7. Open it with text editor.
8. Add “ 74.208.10.249 gs.apple.com” to the end of the file.
9. Now, save the file. Your host file will look like this after you edit.

1. Copy it back into the “etc” folder and replace the old “hosts” file.
2. Restart iTunes and it should be fixed.