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
iOS 6 Jailbreak Confirmed For The iPhone, iPad and iPod touch
iOS 6 has been out for less than 24 hours, but a member of the iPhone developer team has already created a successful jailbreak for the device!
There are rumours that certain features don’t currently work, however its confirmed that it currently runs on iPhone, ipad and iPod Touch and no estimated time of public release has been mentioned yet.
The only thing that can spoil this party is a new beta release of iOS 6!