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
Jailbreak Community Pay's Tribute to Steve Jobs –
Today was a very sad day for everyone in the technology community after former Apple CEO Steve Jobs passed away. Tributes have flooded in from around the world and also from competitors and also the Jailbreak.com Jail break tool took down the tool and replaced it with a picture and a message thanking Steve Jobs. We believe this is only a temporary and the Jailbreak tool will be up with in the next few days.