This is from the Oprah Site:
Due to the overwhelming interest to download the grilled chicken coupon KFC is experiencing technical difficulties. We are aware of this problem and KFC is working to solve the issue as quickly as possible. Check back for updates.
* To download the coupon:
If you're on a PC, right-click (Mac users: Ctrl-click) on the link above. Internet Explorer users, select Save Target As; Firefox users select "Save Link As."
Select where you wish to save the file on your computer, and then click "Save."
Once the file has been saved, go to the location where you saved the file and open it to view the coupon.