Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Apple Working On Some Cool New Features For Maps and Location Services –
Due to reports that’s Apples job listings suggest that Apple is looking to hire more engineers to help add to there work on location services for iOS. The most recent job listing is for an iOS QA location engineer which would work in Cupertino and are wanted to bring some “exciting new features” to location services in iOS.
The job listing suggests that candidates must have some experience in working with location services technology such as GPS, A-GPS, LBS, or navigation algorithms, and also cellular network technology and mobile sensors.