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
How To Jailbreak iPhone 4s and iPad 2 With Greenpois0n ABSINTHE
About 1 hours ago we reported that the untethered Jailbreak for all A5 devices had been released to the public. We have just published a quick video which simply explains what you have to do to Jailbreak your iPhone 4s or iPad 2 successfully
For more information, you can check us on on Facebook, YouTube and Twitter and subscribe to keep up to date on all the latest information quickly and while on the move.