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
evad3rs Jailbreaking Team To Have iOS 6 Jailbreak In The Works
As we get closer and closer to the public release of iOS 6.1 the news about the public Jailbreak for iPhone 5 users seems to be stepping up.
The main people behind some of the most recent Jailbreaks and have been working hard on the iOS 6 jailbreak have formed a new Jailbreak team named evad3rs.
The annoucment of the team could be preparing for a release of the untethered iOS 6 jailbreak if all goes to plan. You can follow all the latest Jailbreak news at out Jailbreaking Hub