I hope I am not posting this in the wrong section. I've also tried to search the forums without much luck. I am having problems accessing the Sharing section under system preferences. I am running a 2011 MacBook Pro, i5. When I click on Sharing, I get the following message: "You cant open Sharing preferences because it doesnt work on an Intel-based Mac." Can anyone advise me how to fix this issue? I'm stumped. Thanks for your help.